Entertainment and celebrities

Rihanna arrives for the 2008 MTV Video Music Awards held at Paramount Pictures Studios Lot in Los Angeles on September 7, 2008

Jason Mraz performs in concert, at the Mizner Park Amphitheatre, in Boca Raton, Florida, on December 3, 2005.
LOS ANGELES, Dec. 4 -- Beyonce's "Single Ladies (Put a Ring on It)" is No. 1 on the U.S. record chart this week, Billboard.com reported Thursday.

Coming in at No. 2 on the Billboard Hot 100 is T.I.'s "Live You Life," followed by another Beyonce song, "If I Were a Girl," at No. 3, T.I.'s "Whatever You Like" at No. 4 and Lady GaGa's "Just Dance" featuring Colby O'Donis at No. 5.

Rounding out the top tier are Katy Perry's "Hot N Cold" at No. 6, Ne-Yo's "Miss Independent" at No. 7, Pink's "So What" at No. 8, Britney Spears's "Womanizer" at No. 9 and Jason Mraz's "I'm Yours" at No. 10.
Katy Perry performs in London American singer/guitarist Katy Perry performs at Scala in London on September 24, 2008.