Muscle & Fitness logo Muscle & Fitness

  • Workouts

    Workouts

    • Workout Routines
    • Workout Tips
    • Fitness
    • Athlete/Celebrity Workouts
    • Exercise Videos
    Find Exercises Targeting…
    • Abs and Core Exercises
    • Arm Exercises
    • Back Exercises
    • Chest Exercises
    • Leg Exercises
    • Shoulder Exercises
  • Nutrition

    Nutrition

    • Healthy Eating
    • Lose Fat
    • Gain Mass
    • Supplements
    • Performance Nutrition
    Girl holding a linear bar
    Healthy Eating

    Behind the Bar: Why Linear Bar’s Founder Decided the Protein Bar Industr...

    Female with a healthy gut health avoiding inflammation eating healthy non-processed foods recommended by a Gastroenterologist
    Healthy Eating

    Low Energy, Bloating, and Brain Fog? Your Gut Health Could Be the Reason...

    Korean side dish Kimchi holds nutritional benefits for gut health
    Healthy Eating

    What Science Says About the Immune-Boosting Power of Kimchi

    Scientist performing tests on processed foods and whole foods
    Healthy Eating

    Study Reveals Processed Foods Cause Overeating and Slow Fat Loss

  • Athletes & Celebrities

    Athletes & Celebrities

    • News
    • Interviews
    • Women
    • Pro Tips
    • Behind-the-Scenes
    • Videos
    Female UFC Fighter Valentina Shevchenko holding the championship belt
    Pro Tips

    UFC Champion Valentina Shevchenko Shares Her Recovery Secret

    Boxer Shane Mosely lifting heavy weights for better endurance for his upcoming fight against Serhii “El Flaco” Bohachuk
    News

    A Look Inside Shane Mosley Jr.’s Brutal Fight Camp

    College football player Kemari Copeland and one of NFL top prospect squats 605 lbs
    News

    Meet the Virginia Tech Beast Rewriting Strength Records

    Nick Lavery's interview on M&F Youtube Channel
    Interviews

    5 Key Takeaways From Nick Lavery's Fit To Serve Interview

  • Features

    Features

    • From our Partners
    • Active Lifestyle
    • M&F: Fit to Serve
    • Gear
    • News
    • Opinion
    Muscle and Fitness writer Scott Falstead tries the Gladiators Experience with American Gladiators
    Challenges

    I Tried the Gladiators Eliminator Course—and It Completely Destroyed Me...

    Personal trainer Jeff Payne
    From our Partners

    What Makes a Great Personal Trainer and How To Know if Yours Is the Real...

    Senior Military Editor, Honorable Rob Wilkins with the leaders of the 2026 MILITARY WELLNESS SYMPOSIUM
    News

    5 Key Takeaways From Spring 2026 Military Wellness Symposium

    Cbum holding a rock while wearing pants from his 2026 collection from GymShark
    From our Partners

    ‘Unfinished’ Business: Chris Bumstead Announces New Collaboration with G...

  • Anti-Aging

    Anti-Aging

    • Functional Medicine
    • Hormone Optimization
    • Recovery
    • Wellness
    Wellness retreat attendees performing yoga at SHA wellness retreat
    Wellness

    Can Your Biomarkers Build A Vacation Itinerary?

    Elderly man placing weights on a barbell
    Wellness

    Strength Training Is the New Anti-Aging Drug

    Supplement stack
    Functional Medicine

    The 5-Supplement Stack That Slows Aging and Boosts Muscle Growth

    Muscular and fit athlete next to a peptide compound
    Functional Medicine

    Are Peptides a Performance Breakthrough or Manufactured Controversy?

  • Flex

    Flex

    • Olympia Coverage
    • Athletes
    • Nutrition
    • Training
    • Videos
    The Menace Podcast 2026 New York Pro predictions
    News

    Bodybuilding Experts Predict Major Upset at the 2026 New York Pro

    Classic Physique bodybuilder, Mike Sommerfeld bodybuilding tips and warning against overtraining
    Training

    Mike Sommerfeld explains the worst time to overtrain

    Ryan Terry
    Nutrition

    The Simple Breakfast Behind One of the Best Physiques in the World

    Conner Benn training for his fight against Ryan Garcia
    News

    Conor Benn Looks Ripped as He Readies for Ryan Garcia

  • Hers

    Hers

    • Workouts
    • Nutrition
    • Supplements
    • Athletes & Celebrities
    • Features
    Female bodybuilder Erin Stern performing her lower body workout and top 3 inner thigh exercises for a tone and sculpted legs
    Hers Workouts

    These 3 Exercises Will Transform Your Inner Thighs—Fast

    social media fitness influencer and inspirational personal trainer, Stephanie Sanzo performs her birthday leg day workout
    Hers Workouts

    Stephanie Sanzo Proves Age Is Just a Number Each Leg Day

    Fitness Coach Anna McManamey-Cashion shares her tips for a post-binge reset for fitness and a healthy gut
    Muscle & Fitness Hers

    3 Proven Post-Binge Tips to Get Back on Track Fast

    Tiffany Stratton
    Muscle & Fitness Hers

    Tiffany Stratton Is Prepping for Her Return to Another Stage

  • Olympia

    Olympia

    • Olympia Coverage
    • Buy Tickets
    Caesar Bacarella performing a dumbbell workout with biceps curls
    Pro Tips

    Caesar Bacarella Is Building a Fitness Empire at Full Speed

    Olympia-2019-Whiteny-Jones-Press-Conference
    Interviews

    Whitney Jones Can Break, But Can Never Be Broken

    IFBB Wellness Pro Yarishna Ayala
    Interviews

    Yarishna Ayala Shares Advice for Future Wellness Division Competitors

    2021 Mr. Olympia Top 3 winners Brandon Curry, Big Ramy, Hadi Choopin
    News

    BIG RAMY WINS THE 2021 OLYMPIA!

Subscribe to YouTube Subscribe to the Newsletter Terms of Use Privacy Policy Cookie Policy Accessibility Statement Do Not Sell
  • Workouts
    • Workout Routines
    • Workout Tips
    • Fitness
    • Athlete/Celebrity Workouts
    • Exercise Videos
  • Nutrition
    • Healthy Eating
    • Lose Fat
    • Gain Mass
    • Supplements
    • Performance Nutrition
  • Athletes & Celebrities
    • News
    • Interviews
    • Women
    • Pro Tips
    • Behind-the-Scenes
    • Videos
  • Features
    • From our Partners
    • Active Lifestyle
    • M&F: Fit to Serve
    • Gear
    • News
    • Opinion
  • Anti-Aging
    • Functional Medicine
    • Hormone Optimization
    • Recovery
    • Wellness
  • Flex
    • Olympia Coverage
    • Athletes
    • Nutrition
    • Training
    • Videos
  • Hers
    • Workouts
    • Nutrition
    • Supplements
    • Athletes & Celebrities
    • Features
  • Olympia
    • Olympia Coverage
    • Buy Tickets
  • Resources & Highlights
    • Topics
    • Videos
    • Podcasts
    • Contact
    • Terms of Use
    • Privacy Policy
    • Cookie Policy
    • Accessibility Statement
    • Do Not Sell

Stay Connected

Newsletter Signup

Stay up to date

Sign up below to receive our newest workout routines, recipes, news stories, and offers from our partners

Facebook Twitter Youtube Pinterest
Open menu button
Open search bar button
×

Search M&F

Featured Articles
Lean Muscle
Healthy Eating

28-Days-to-Lean Meal Plan

With the right plan and the right discipline, you can get seriously shredded in just 28 days.

Read article
Glamorous Hollywood actress in a black evening gown posing at a red carpet event, representing one of the hottest female celebrities in Hollywood
Women

The 25 Hottest Female Celebrities

Talented stars, killer physiques.

Read article
Bench press record holder Bill Gillespie breaking the world record at age 62
Pro Tips

The 'Dos' and 'Don’ts' of Bill Gillespie’s Record-Breaking Bench Press

At age 62, "Big Bill" shares his wisdom to dominate one of the ultimate strength marks.

Read article
The 50 Best Female Fitness Influencers on Instagram
Girls

The 50 Best Fitness Influencers on Instagram

Follow these fit women we're crushing on for inspiration, workout ideas, and motivation.

Read article
News

14 of the Biggest Celebrities Who Attended the Mayweather-McGregor Fight

The stars were out in full force on Saturday.

by Brian Riley
  • Click to share on Facebook (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on Pinterest (Opens in new window)
  • Click to share on Facebook (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on Pinterest (Opens in new window)
14 of the Biggest Celebrities from the Mayweather-McGregor Fight
Christian Petersen / Getty
View Gallery

14 of the Biggest Celebrities Who Attended the Mayweather-McGregor Fight

Close gallery popup button
1 OF 15

1 of 15

14 of the Biggest Celebrities from the Mayweather-McGregor Fight

Christian Petersen / Getty

The Stars Were Out

The Floyd Mayweather Jr. and Conor McGregor spectacle can easily go down as the biggest sporting event ever. The amount of hype compiled by the notoriety of both fighters morphed this odd matchup into an extremely compelling event. With all of that hype, it’s obvious that the match was going to draw a star-studded crowd, and that’s exactly what happened.Boxing, specifically in Las Vegas, has historically rounded up the elite of the elite when it comes to sports and Hollywood. Click through to see if your favorite stars were seen at the fight on Saturday.

2 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Steven Lawton / Getty

Nate Diaz

Here we have Nate Diaz, the last UFC Fighter to beat McGregor in the octagon. Diaz currently has his mind set on setting up a trilogy with McGregor.

3 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Christian Petersen / Getty

Mike Tyson

Of course “Iron” Mike Tyson was in attendance, despite his minor spat with McGregor.

4 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Christian Petersen / Getty

LeBron James

LeBron James, instead of drawing huge crowds to arenas for his games, was part of the crowd this time around. 

5 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Steven Lawton / Getty

Karlie Kloss

This high-fashion model and fit chick was also in the building as well, taking in the amazing matchup.

6 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Steven Lawton / Getty

Jeremy Piven

The former Entourage co-star hit the carpet as well before watching Mayweather and McGregor “dance around the ring,” in the words of McGregor.

7 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Christian Petersen / Getty

Jennifer Lopez

Alex Rodriguez, also in attendance, is one lucky man. Jennifer Lopez continues to drop jaws as she ages extremely gracefully.

8 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Christian Petersen / Getty

Charlize Theron

The Atomic Blonde star has been a UFC fan for some time, so of course she had to be there to watch the UFC’s biggest star get into the ring. 

9 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Gabe Ginsberg / Stringer / Getty

Jamie Foxx

Jamie Foxx is not only a boxing fan, but he also happens to be really tight with Floyd Mayweather Jr. as well, so his attendance was a given.

10 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Steven Lawton / Getty

Olivia Munn

The beautfiful actress is no rookie when it comes to A-list events, and tonight was no different. The X-Men: Apocalypse star was at the fight in all her glory.

11 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

David Becker / Stringer / Getty

Diddy

Diddy not only attended the event, but also starred in a commercial with Mark Wahlberg in which he endorsed Mayweather and hyped the fight.

12 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Sean M. Haffey / Getty

Demi Lovato

Demi Lovato not only attended, but she also crushed the national anthem before the fight.

13 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Christian Petersen / Getty

Chris Hemsworth

Even Thor needs some downtime—Chris Hemsworth was also spotted among the crowd inside T-Mobile Arena. 

14 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Steven Lawton / Getty

Vanessa Hudgens

Vanessa Hudgens came to watch the fight, but she was an absolute show-stopper in this white dress as she strolled the magenta carpet.

15 of 15

Celebrities Attend Conor McGregor and Floyd Mayweather Fight

Steven Lawton / Getty

Bruce Willis

Bruce Willis is everyone’s favorite old-guy, badass actor—and if there are punches involved he should be there. 

Back to intro

The Stars Were Out

The Floyd Mayweather Jr. and Conor McGregor spectacle can easily go down as the biggest sporting event ever. The amount of hype compiled by the notoriety of both fighters morphed this odd matchup into an extremely compelling event. With all of that hype, it’s obvious that the match was going to draw a star-studded crowd, and that’s exactly what happened.

Boxing, specifically in Las Vegas, has historically rounded up the elite of the elite when it comes to sports and Hollywood. Click through to see if your favorite stars were seen at the fight on Saturday.

Nate Diaz

Here we have Nate Diaz, the last UFC Fighter to beat McGregor in the octagon. Diaz currently has his mind set on setting up a trilogy with McGregor.

Mike Tyson

Of course “Iron” Mike Tyson was in attendance, despite his minor spat with McGregor.

LeBron James

LeBron James, instead of drawing huge crowds to arenas for his games, was part of the crowd this time around. 

Karlie Kloss

This high-fashion model and fit chick was also in the building as well, taking in the amazing matchup.

Jeremy Piven

The former Entourage co-star hit the carpet as well before watching Mayweather and McGregor “dance around the ring,” in the words of McGregor.

Jennifer Lopez

Alex Rodriguez, also in attendance, is one lucky man. Jennifer Lopez continues to drop jaws as she ages extremely gracefully.

Charlize Theron

The Atomic Blonde star has been a UFC fan for some time, so of course she had to be there to watch the UFC’s biggest star get into the ring. 

Jamie Foxx

Jamie Foxx is not only a boxing fan, but he also happens to be really tight with Floyd Mayweather Jr. as well, so his attendance was a given.

Olivia Munn

The beautfiful actress is no rookie when it comes to A-list events, and tonight was no different. The X-Men: Apocalypse star was at the fight in all her glory.

Diddy

Diddy not only attended the event, but also starred in a commercial with Mark Wahlberg in which he endorsed Mayweather and hyped the fight.

Demi Lovato

Demi Lovato not only attended, but she also crushed the national anthem before the fight.

Chris Hemsworth

Even Thor needs some downtime—Chris Hemsworth was also spotted among the crowd inside T-Mobile Arena. 

Vanessa Hudgens

Vanessa Hudgens came to watch the fight, but she was an absolute show-stopper in this white dress as she strolled the magenta carpet.

Bruce Willis

Bruce Willis is everyone’s favorite old-guy, badass actor—and if there are punches involved he should be there. 

Topics:
  • Entertainment
Author picture
Written by Brian Riley
Also by Brian Riley
Mike Tyson - Shark Week
News

Mike Tyson Is Set to Battle Jaws for 'Shark Week'

Every Rocky Movie Ranked
Entertainment

Every 'Rocky' Movie, Ranked

Newsletter Signup

Stay up to date

Sign up below to receive our newest workout routines, recipes, news stories, and offers from our partners

Muscle & Fitness logo

Follow us

Facebook Twitter Youtube Pinterest

More news

Boxer Shane Mosely lifting heavy weights for better endurance for his upcoming fight against Serhii “El Flaco” Bohachuk
News

A Look Inside Shane Mosley Jr.’s Brutal Fight Camp

The fighter will face Serhii “El Flaco” Bohachuk on May 10 for Zuffa Boxing.

Read article
College football player Kemari Copeland and one of NFL top prospect squats 605 lbs
News

Meet the Virginia Tech Beast Rewriting Strength Records

Kemari Copeland obviously loves to go heavy in the weight room.

Read article
Kenyan Long Distance Runner Sabastian Sawe breaks sub 2 hour marathon record at at 2026 London Marathon
News

This Marathoner Stuns the World With Record-Breaking Run

The Kenyan clocked out the London Marathon at just 1 hour, 59 minutes and 30 seconds.

Read article
All News
  1. Home
  2. /
  3. Athletes & Celebrities
  4. /
  5. News
  6. /
  7. 14 of the Biggest Celebrities Who Attended the Mayweather-McGregor Fight
Muscle & Fitness logo
  • Workouts
  • Nutrition
  • Athletes & Celebrities
  • Features
  • Recipes
  • Topics
  • Videos
  • Exercise Videos
  • Podcasts
  • RSS Feed
  • Buy Olympia Tickets
  • Archives
  • Sitemap
Facebook Twitter Youtube Pinterest

Newsletter Signup

Stay up to date

Sign up below to receive our newest workout routines, recipes, news stories, and offers from our partners

JW Media, LLC

Copyright 2026 JW Media, LLC, parent company of Muscle & Fitness. All rights reserved.

Contact Us Terms of Use Privacy Policy Cookie Policy Do Not Sell Accessibility Statement