Justin Bieber
The singer picked up the Best Male Video award for "U Smile."
Will Ferrell, Seth Rogen & Jack Black
The Beastie Boys seemed especially funny tonight.
Kanye West & Katy Perry
The two huge stars joked around as Perry picked up one of her awards.
Britney Spears tribute
These amazing kids performed a tribute to Britney Spears, who picked up the Michael Jackson Video Vanguard Award.
Lady Gaga & Britney Spears
Gaga's alter ego presented Brit with her award—and tried to present her with a kiss.
Kim Kardashian
The honeymooner was on hand and looking gorgeous.
Adele
The British songbird picked up multiple awards and blew the crowd away with an understated performance of "Someone Like You."
Beyoncé Knowles
Besides her big news, the singer gave a stellar performance of "Love on Top."
Jared Leto & Zoe Saldana
The two hotties introduced a performance by Young the Giant.
Selena Gomez & Taylor Lautner
These two young pros presented the Best New Artist award to Tyler, the Creator.
Foo Fighters
Hey, the veteran band won its first MTV award, which was pretty cool. So was watching Dave Grohl get excited to see Queen's Brian May perform with Lady Gaga.
Bruno Mars
The singer gave a pumped-up version of "Valerie" as a tribute to Amy WInehouse.
Tony Bennett
The jazz and pop crooning legend took part in the remembrance of Amy Winehouse.
Young the Giant
The band performed at the VMAs for the first time, and they brought a bunch of their own fans with them.
Chris Brown
The performer gave an athletic performance that pulled him up on wires.
Miley Cyrus & Shaun White
An unlikely pairing? They did just fine up on stage together.
Rick Ross & Paul Rudd
This odd couple introduced a performance by Pitbull.
Pitbull
With Ne-Yo, the rapper rocked the house.
Nicki Minaj & Jonah Hill
These two worked a little comedy together.