'Firework' tops the U.S. record chart

LOS ANGELES, Dec. 9 (UPI) -- Katy Perry's "Firework" is No. 1 on the U.S. record chart, Billboard.com reported Thursday.

Coming in at No. 2 on the Billboard Hot 100 is P!nk's "Raise Your Glass," followed by Rihanna's "What's My Name" featuring Drake at No. 3, The Black Eyed Peas's "The Time (Dirty Bit)" at No. 4 and Bruno Mars's "Grenade" at No. 5.

Rounding out the top tier are Rihanna's "Only Girl (In the World)" at No. 6, Bruno Mars's "Just the Way You Are" at No. 7, Ke$ha's "We R Who We R" at No. 8, Nelly's "Just a Dream" at No. 9 and Trey Songz's "Bottoms Up" at No. 10.