The Black Eyed Peas performed their new upbeat single “I’mma Be” at last night’s Grammy Awards. After prepping the crowd, Will.i.am led the group into their next song, the party track “I Gotta Feeling,” which really got the crowd going. BEP ended up taking him 3 awards Sunday night (Jan 31) in the following categories: (1) Best Duo/Group Pop Vocal Performance, (2) Best Pop Vocal Album and (3) Best Short Form Music Video.

Pink opened up her circus-like performance of “Glitter” in a long white number that she eventually ditched revealing a sexy skin-tight nude colored piece. And wow… we’ve gotta give it to Pink for this performance. We don’t know many people who can perform trapeze acts in the air while singing!

Pink admitted that maybe she wasn’t the most obvious person to play on the show last night, since she had only lesser nominations. “People were like: Why is she here? This is why bitches,” she sneered, referring to her show-stopping, circus like performance.

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We know the people below her were mad she was splashing water all over their nice clothes (LOL)… Continue reading for more pics and videos of Pink, the Black Eyed Peas and Jamie Foxx (and friends) performing at the 2010 Grammy Awards!

BLACK EYED PEAS – “IMMA BE” / “I GOTTA FEELING”

PINK – “GLITTER”

JAMIE FOXX & T-PAIN F/ TRAVIS BARKER, SLASH & DOUG E. FRESH – “BLAME IT”

PHOTOS: GETTY IMAGES / WIRE IMAGE