People.com — The singer's gown features music notes, and it's hot off the Valentino Couture runway more info

MTV.com News — From Jay-Z and Beyoncé to Katy Perry and John Mayer, MTV News rounds up who we want to see tonight. By Christina Garibaldi more info

MTV.com News — Katy Perry and Juicy J tease their Grammy performance Sunday night. By Jocelyn Vena, with reporting by Sway Calloway more info

MTV.com News — Join our team as they hit the red carpet with Taylor Swift, Macklemore & Ryan Lewis, Lorde, Kendrick Lamar and Katy Perry. By Gil Kaufman more info

MTV.com News — After a week of fatal gun violence, the singer speaks out. By Emilee Lindner more info

MTV.com News — The 17-year-old Grammy nom watches Grimes, wows Lance Bass before Sunday's show. By James Montgomery more info

L.A. Times - Entertainment — The Grammys, with performers including Daft Punk, Metallica, Nine Inch Nails, Katy Perry and Lorde, promises more than a few surprises.There may be 82 Grammy categories, but don't expect to see more than 10 of them on Sunday's telecast of the Grammy ... more info

MTV.com News — Song Of The Year nominees, like Katy and Lorde, dish to MTV News about the tracks, all up for Grammys at Sunday's broadcast. By Jocelyn Vena more info

CNN Showbiz — One of the more intriguing pop controversies of 2013 was the friendly fire exchanged over the perceived similarities between Katy Perry's "Roar" and Sara Bareilles' "Brave." more info

411 Mania — She's excited about it... more info