Rihanna performs on Friday night at Arco Arena in Sacramento, California. July 08, 2010
Artist Arena operated websites for, from left, pop stars Justin Bieber, Selena Gomez, Rihanna and Demi Lovato.
Mark Humphrey Associated Press file, 2011 Charles Kelley, middle, with Hillary Scott and Dave Haywood, says Lady Antebellum has taken the work on its Christmas album, "On This Winter's Night," very seriously.
Zac Brown Band Nominee: Vocal group of the year