Lady Gaga Dancing With John Travolta Leads the Must-See Moments From GRAMMYs After Parties

John Travolta and Lady Gaga were among the stars to catch that Sunday night fever when the 59th GRAMMY Awards wrapped up and the after parties began.

After performing with Metallica at the awards show, Gaga was ready to let loose and hit the dance floor with the Saturday Night Fever star himself! Donning a little leather getup, the 30-year-old singer busted a few moves with Travolta at Interscope's GRAMMY after party, held at h.wood Group's Peppermint Club in Los Angeles, California.

But they weren't the only stars out and about in Hollywood on music's biggest night. ET has your inside look into the hottest GRAMMYs after parties:

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Sony Music Entertainment 2017 Post-Grammy Reception

After her big, emotional win at the GRAMMYs, Adele changed into yet another show-stopping ensemble and hung out with her Sony Music friends at Hotel Bel-Air. The 28-year-old singer chose a printed shimmery black and gold pantsuit along with a sexy sheer top.

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GQ and Chance The Rapper's GRAMMYs After Party

After his big win and show-stopping performance, Chance The Rapper headed to Chateau Marmont to host a star-studded after party with GQ magazine. Chrissy Teigen and husband John Legend showed up to the soiree, as well as Katy Perry, Christina Milian, Teyana Taylor and Karrueche Tran.

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Republic Records GRAMMYs After Party

After his GRAMMYs performance with Daft Punk, The Weeknd partied and posed with music icon Stevie Wonder at the Republic Records party, in partnership with Absolut and Pryma, at Catch LA.

GRAMMYs host James Corden was also at the party and continued to mingle and hob-knob with fellow celebrities.

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Remy Martin Presents The Warner Music Block Party

Ciara's baby bump was on full display when she showed up with husband Russell Wilson at Milk Studios for Warner Music Group's GRAMMY bash. The singer appeared to be wearing a blue and white bathrobe over an all black outfit, while the NFL pro also rocked a simple black ensemble.

Also at the party was Twenty One Pilots musician Tyler Joseph, who spoke to ET about stripping down to his underwear when he accepted his GRAMMY for Best Pop Duo/Group Performance. "My wife [Jenna Black] is a fan of my legs so I had to give her a present today," Joseph quipped. "I'm still wearing the same ones [underwear.] I didn't plan at all. I just kind of grabbed it. It was dark. It was in the morning. I just grabbed whatever I had. I'm glad I was wearing underwear honestly."

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Universal Music Group’s GRAMMY After Party

A slew of stars showed up to this party at the Ace Hotel, including Katy Perry, Beck, Cassidy Pope, Niall Horan, Keith Urban, Ellen Page, Katharine McPhee, Chord Overstreet, Don Cheadle and Russell Simmons.

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A number of celebrities switched into different styles upon hitting up the after parties, but not before ET caught up with them. Here's a look at some best, worst and weirdest moments from the GRAMMYs red carpet:

^{Additional reporting by Brendon Geoffrion.}

WATCH: The Best and Weirdest Moments of the 2017 GRAMMY Awards

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