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
    Various Healthy Post workout foods display in a heart shape bowl for
    Healthy Eating

    Can Your Weekend Eating Habits Be Affecting Your Long-Term Health?

    A handful of blueberries containing Pterostilbene
    Healthy Eating

    Science May Have Identified the Fat-Torching Compound in Blueberries

    Salsa and chips
    Healthy Eating

    Dip Into a Better and Healthier Salsa with these 13 Options

    Chef Chris Valdes chilean salmon
    Healthy Eating

    Try Chef Chris Valdes High-Protein Chilean Salmon Recipe

  • Athletes & Celebrities

    Athletes & Celebrities

    • News
    • Interviews
    • Women
    • Pro Tips
    • Behind-the-Scenes
    • Videos
    F1 Racer Kimi Antonelli celebrating his victory after winning the F1 championship
    Pro Tips

    Why staying active off-track readied Kimi Antonelli for F1 record

    Social media influencer Liam Fitzgerald dies at 29
    News

    Fitness Influencer Liam Fitzgerald Has Died at 29

    World Climbing Series gold medalist Yonatan Katz
    Interviews

    How Yonatan Katz Cracked the Boulder Nobody Could Solve

    Ilana Maher inside burn boot camp
    Interviews

    Why Ilona Maher Is on a Mission to Make Rugby Mainstream

  • Features

    Features

    • From our Partners
    • Active Lifestyle
    • M&F: Fit to Serve
    • Gear
    • News
    • Opinion
    Retired couple running to keep their health and longevity
    News

    Why Lifters Need Cardio for Heart Health

    WADA prohibited substances include peptides and other chemical compounds
    News

    WADA Sends a Warning to Athletes Looking for Peptide 'Loopholes'

    Diet coke on ice
    News

    Are Diet Drinks Stalling Your Weight Loss? Maybe Not So Much

    Testosterone 21 bottle
    From our Partners

    TESTOSTERONE 21: A Key Supplement To Optimize Men's Performance and Heal...

  • Anti-Aging

    Anti-Aging

    • Functional Medicine
    • Hormone Optimization
    • Recovery
    • Wellness
    Stem Cell Therapy displayed on a screen with medical equipment
    Recovery

    What Questions You Should Be Asking Before Stem Cell Treatment?

    Director of Cornucopia Events Mini Vohra, a celebrity events strategist, Director of Cornucopia Events, British entrepreneur, and former barrister
    Wellness

    Longevity Is the New Luxury: Inside the $100K Biohacking Lifestyle

    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

  • Flex

    Flex

    • Olympia Coverage
    • Athletes
    • Nutrition
    • Training
    • Videos
    The Menace Podcast Michal Krizo
    News

    What’s Next for Michal Krizo After Big win in Slovakia?

    Svetlana Fedkina’s wins Tampa Pro
    Training

    Svetlana Fedkina Speaks on Her Top Six Finish in the New Fit Model Olymp...

    Brett Wilkins Upper and Lower body superset workout
    Training

    Brett Wilkin's Brutal Upper- and Lower-Body Finishers

    TMP 90's bodybuilders
    News

    How Do Current Bodybuilders Compare Against Those in the ‘90s? 

  • Hers

    Hers

    • Workouts
    • Nutrition
    • Supplements
    • Athletes & Celebrities
    • Features
    Anita Herbert’s Back & Shoulders Smith Machine
    Hers Workouts

    Try these 6 Smith Machine Back and Shoulder Blasters

    Stephanie Sanzo glute workout
    Hers Workouts

    Five Glute Moves for Making Massive Lower-Body Gains

    Dana Linn Bailey’s lateral raise extended set
    Hers Workouts

    Dana Linn Bailey’s 'Extended Set' Trick for Superior Shoulders

    Devyn Dalton stunt double for Matt Damon on the Odyssey gives her workout tips
    Hers Workouts

    Devyn Dalton Explains the Movements that Put Her Arms in 'The Odyssey'

  • 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

Social media influencer Liam Fitzgerald dies at 29
News

Fitness Influencer Liam Fitzgerald Has Died at 29

Tributes honoring the coach and content creator poured in from family and fans.

Read article
Ironman Taylor Knibb crowned champion
News

Here's How A Cruel Ironman Finish Turned Into Kona Gold Redemption

Kona's Ironman World Championship delivered a finish nobody could have scripted.

Read article
83 Year Old Triathlete Bob Plant
News

At 83, This Triathlete Isn't Retiring—He’s Just Reloading

Cramps and a loose chain cost him in his 10th Kona start. Now he's ready for revenge.

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