Party mode: Michael Phelps, 37, stripped down and went shirtless while partying to the beats of famed DJ Diplo at the XS Nightclub inside the Wynn Las Vegas Resort in Las Vegas

Michael Phelps wasn’t anywhere near a pool Saturday night but somehow he still managed to wind up shirtless.

The most decorated Olympian of all time was among the revelers to make his way to the XS Nightclub inside the Wynn Las Vegas Resort in Las Vegas.

In a partying mood with the heavy EDM beats of famed DJ Diplo blaring from the speakers, Phelps ended up making his way to the DJ booth to help pump up the already electrified crowd.

And it wasn’t long before the 23-time Olympic gold medal swimmer pulled off his shirt to reveal his ripped abs and overall toned physique.

Some of the other celebrities on hand to party at the popular Sin City nightclub included MMA legend Conor McGregor, Kansas City Chiefs tight end Travis Kelce, singer Sabrina Carpenter, actor and director Michael B. Jordan, actor Chace Crawford, YouTube star David Dobrik, social media personality Loren Gray and singer Dixie D’Amelio, according to TMZ.

Party mode: Michael Phelps, 37, stripped down and went shirtless while partying to the beats of famed DJ Diplo at the XS Nightclub inside the Wynn Las Vegas Resort in Las Vegas

Party mode: Michael Phelps, 37, stripped down and went shirtless while partying to the beats of famed DJ Diplo at the XS Nightclub inside the Wynn Las Vegas Resort in Las Vegas

The music of Diplo (born Thomas Wesley Pentz), 44, already had the packed crowd jumping by the time Phelps made his way over to greet the electronic dance music giant.

As the beats were bangin’, the music producer used a breakdown in the music to get the crowd even more excited with the sight of Phelps shirtless.

He brought out all the gimmicks, which included plenty of fake smoke that filled the dance floor as the many partiers showed off their best dance moves.

Feeling the excitement of music and the moment, Phelps could be seen screaming out for joy on several occasions, all while reaching his arms  out towards the heavens.

The two stars hugged it out numerous times from behind the turntables, which was caught on camera and posted on social media.

The Baltimore, Maryland native, who had his dark brown locks pulled into a short top bun, shared in all the fun with his wife of nearly seven-years, Nicole Phelps.

The former Miss California USA showed off her fab figure in a sparkling beige minidress and black pumps, and her dark tresses styled about shoulder-length, while her husband had began the evening in black pants and a matching short-sleeve shirt.

The couple were photographed with many of the fellow partiers, one of which showed them striking a pose with Kelce, who’s a two-time Super Bowl champion.

Pumping the crowd: The 23-time Olympic gold medal swimmer joined Diplo in the DJ booth and helped him fire up the already excited crowd on the dance floor

Pumping the crowd: The 23-time Olympic gold medal swimmer joined Diplo in the DJ booth and helped him fire up the already excited crowd on the dance floor

Excited: Phelps screamed out with excitement while behind the turntables with Diplo

Excited: Phelps screamed out with excitement while behind the turntables with Diplo

EDM master: Phelps documented some of Diplo's set from behind the turntables

EDM master: Phelps documented some of Diplo’s set from behind the turntables 

Hugging it out: The two stars hugged it out numerous times from behind the turntables

Hugging it out: The two stars hugged it out numerous times from behind the turntables

‘Tonight was legendary! Saturday’s at #XSLasVegas are TOO GOOD! @Diplo was on fire tonight!’ it read in the caption of the 10-picture post on Instagram.

Many of the celebrities and partiers at the club were in town for the superfight fight between Gervonta ‘Tank’ Davis and Ryan Garcia at the sold-out T-Mobile Arena earlier in the evening. 

David ended up scoring a 7th round TKO win behind  a brutal body shot that ended up being the difference in the 136-pound catchweight bout.

Phelps holds the all-time record for gold medals in the Olympics with 23, and he’s the most successful Olympian with a total of 28 medals from his appearances in the 2004, 2008 and 2012 Olympics. 

Celeb fest: Before shedding his shirt Phelps and his wife Nicole spent time hanging out with two-time Super Bowl champion Travis Kelce

Celeb fest: Before shedding his shirt Phelps and his wife Nicole spent time hanging out with two-time Super Bowl champion Travis Kelce

Going strong: Michael and Nicole Phelps will be celebrating their seventh wedding anniversary in June

Going strong: Michael and Nicole Phelps will be celebrating their seventh wedding anniversary in June

Bangin': Diplo kept his shirt on while spinning the dance grooves at the nightclub

Bangin’: Diplo kept his shirt on while spinning the dance grooves at the nightclub

Singers Sabrina Carpenter, 23, and Dixie D'Amelio, 21, also got to party behind the turntables with the celebrity DJ

Singers Sabrina Carpenter, 23, and Dixie D’Amelio, 21, also got to party behind the turntables with the celebrity DJ

Sweet and tasty: Social media personality Loren Gray, 21, showed off her enthusiasm in a golden minidress, while holding a tasty cake

Sweet and tasty: Social media personality Loren Gray, 21, showed off her enthusiasm in a golden minidress, while holding a tasty cake

Fight night: MMA legend Conor McGregor was also among the celebrities who attended a much-anticipated boxing match between Gervonta 'Tank' Davis and Ryan Garcia at T-Mobile Arena earlier in the evening

Fight night: MMA legend Conor McGregor was also among the celebrities who attended a much-anticipated boxing match between Gervonta ‘Tank’ Davis and Ryan Garcia at T-Mobile Arena earlier in the evening

EDM Star: Diplo (born Thomas Wesley Pentz) is a DJ, music producer and lead member of the electronic dancehall music project Major Lazer

EDM Star: Diplo (born Thomas Wesley Pentz) is a DJ, music producer and lead member of the electronic dancehall music project Major Lazer

NFL star makes the rounds: Kansas City Chiefs star Travis Kelce seemed to be everywhere in the club decked out in his baby blue-patterned ensemble

NFL star makes the rounds: Kansas City Chiefs star Travis Kelce seemed to be everywhere in the club decked out in his baby blue-patterned ensemble

Beaming: Kelce, 33, mugged for the cameras when he wasn't rockin' out to the EDM

Beaming: Kelce, 33, mugged for the cameras when he wasn’t rockin’ out to the EDM

Date night: Michael and Nicole Phelps called their night out a 'final date night' on social media

Date night: Michael and Nicole Phelps called their night out a ‘final date night’ on social media

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