Katy Perry's "Part of Me" is No. 1 on the U.S. record chart, Billboard.com reported Thursday.

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Coming in at No. 2 on the Billboard Hot 100 is Adele's "Set Fire to the Rain," followed by the late Whitney Houston's "I Will Always Love You" at No. 3, Kelly Clarkson's "Stronger (What Doesn't Kill You)" at No. 4 and Adele's "Rolling in the Deep" at No. 5.

Rounding out the top tier are fun.'s "We Are Young" featuring Janelle Monae at No. 6, Adele's "Someone Like You" at No. 7, Rihanna's "We Found Love" featuring Calvin Harris at No. 8, Nicki Minaj's "Starships" at No. 9 and Chris Brown's "Turn Up the Music" at No. 10.