'Who We R' tops U.S. record chart

Coming in at No. 2 on the Billboard Hot 100 is "Like a G6," by Far*East Movement featuring Cataracs & Dev, followed by Bruno Mars's "Just the Way You Are" at No. 3, Rihanna's "Only Girl (in the World)" at No. 4 and Nelly's "Just a Dream" at No. 5.

Rounding out the top tier are Usher's "DJ Got Us Fallin' in Love" featuring Pitbull at No. 6, Trey Songz's "Bottoms Up" at No. 7, Katy Perry's "Teenage Dream" at No. 8, Taio Cruz's "Dynamite" at No. 9 and P!nk's "Raise Your Glass" at No. 10.

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