MTV.com News — Maroon 5, Jamie Foxx, Jessica Alba also appear at event.By King Anyi Howell John Legend at Declare Yourself's inaugural ball on Sunday Photo: Dan Gorder/ Getty Images WASHINGTON, D.C. — Even though the carpet wasn't red at Declare Yourse... more info

MTV.com News — Song features Seal, Bono, Mary J. Blige and others.By Jocelyn Vena Will.I.Am (file) Photo: Justin Sullivan/ Getty Images Will.I.Am has never been shy about his love for President-elect Barack Obama. And in honor of the future president, Wi... more info

ET Online — Inauguration activities for President-elect Barack Obama kick off in Washington, D.C., with a star-studded concert today featuring U2, Bruce Springsteen, Beyoncé Knowles, John Mellencamp and others. Mellencamp, shown above doing a sound che... more info

MTV.com News — U2, Beyonce, Bruce Springsteen and other superstars performed at the opening celebration.By Jocelyn Vena, with reporting by Erica Anderson and Gil Kaufman Beyoncé performs with Bono, Stevie Wonder and more on Sunday Photo: Mark Wilson/ Getty I... more info

MTV.com News — U2, Beyonce, Bruce Springsteen and other superstars performed at the opening celebration.By Jocelyn Vena, with reporting by Erica Anderson and Gil Kaufman Beyoncé performs with Bono, Stevie Wonder and more on Sunday Photo: Mark Wilson/ Getty I... more info

MTV.com News — First single, 'Get on Your Boots,' to premiere on Dublin radio Monday.By Gil Kaufman U2's Bono Photo: Frank Micelotta/ Getty Images After more than a year of recording several albums' worth of material on several continents with a trio of ... more info

MTV.com News — All your favorite stars will be there — but when and where?By Jocelyn Vena Kanye West Photo: Vince Bucci/Getty Images In the coming days, the nation's capital will become inundated with an onslaught of celebrities. Everyone from Jay-Z to... more info

MTV.com News — All your favorite stars will be there — but when and where?By Jocelyn Vena Jay-Z Photo: Johnny Nunez/ WireImage In the coming days, the nation's capital will become inundated with an onslaught of celebrities. Everyone from Jay-Z to Miley... more info

Yahoo! Music — Reuters - It looked like couples night for John Legend's concert at the Gibson Amphitheatre on Tuesday, and why not? The R&B singer-songwriter is, most of all, a grand romantic. more info

MTV.com News — 'I had to address a few things, I had to address a few people,' MC says of song called 'Mafia Music.'By Shaheem Reid Rick Ross Photo: Moses Robinson/ WireImage It is official: Rick Ross is off of Slip-N-Slide Records and will be putting ou... more info