Katy Perry, Justin Bieber, Bruno Mars Perform At Grammy Nominations

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It seemed that every big name in pop music was on hand for "GRAMMY Nominations Concert Live!!" hosted by LL Cool J last night (Dec. 1). And while everyone was there hoping to hear their name called in the list of nominees, quite a few were there to perform as well.

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Katy Perry got things started in her shimmering silver dress when she performed her summer blockbuster hit, "California Gurls."

Video: Katy Perry Performs "California Gurls"

Bruno Mars followed shortly after with a stripped-down performance of his solo hit "Just the Way You Are." Mars garnered the second most nominations of the night, despite the fact that his solo album "Doo-Wops & Hooligans" was released one week outside of the Grammy nomination window.

Video: Bruno Mars Performs "Just the Way You Are"

Billboard cover star and country sweetheart Miranda Lambert nabbed herself a record of the year nomination for "The House That Built Me," and also took to the stage to perform "Only Prettier" with her Pepto Bismol-colored guitar.

Video: Miranda Lambert Sings "Only Prettier"

Best New Artist nominee Justin Bieber gave an acoustic performance, with "Favorite Girl" on his acoustic guitar.

Video: Justin Bieber Performs an acoustic "Favorite Girl"

Rapper B.o.B and Bruno Mars both hit the stage twice last night, including performing their hit collaboration, "Nothin' On You."

Video: B.o.B and Bruno Mars Team Up for "Nothin' On You"

B.o.B came back out to perform "Don't Let Me Fall," from his debut album "The Adventures of Bobby Ray."

Video: B.o.B Returns to the Stage for "Don't Let Me Fall"

Train also hit the Grammy nomination stage with their biggest hit of the year, "Hey, Soul Sister."

Video: Train Performs "Hey, Soul Sister"

While Eminem, the leader of the nomination pack with 10, did not take the stage, the Grammy nomination audience was given a night full of 2010's catchiest and most successful singles.


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