Katy Perry Is Beautiful in Blue at 2012 Grammy Awards (PHOTOS)

Katy at the Grammys!
See more pics of Katy's red carpet look!
Katy Perry blew us away in blue at the 2012 Grammy Awards on Sunday night. The “Teenage Dream” singer brought the sexy to music’s biggest night in a backless Elie Saab gown. Katy capped off her look with pastel pink lips and her crayon-colored blue hair in a classy up-do. Gorgeous!

The songstress also expressed her excitement for this year’s Grammy Awards on Twitter. Earlier today, she tweeted to fans:

You know it’s a great day when you walk into the Staples Center and all The Beach Boys are physically playing on stage.

But Katy’s not the only celeb on scene to sport a sparkly gown.. check out Fashion Police’s Kelly Osbourne shining bright on the red carpet below!

What do you think of Katy’s glittery gown? Play fashion critic and sound off in the comments!