Britney Debuts Big, But T.I. Tops Hot 100

T.I.'s "Live Your Life" flips 2-1 with Beyonce's "Single Ladies (Put a Ring On It)" on the Billboard Hot 100 to score its sixth non-consecutive week at the top. Meanwhile, Britney Spears scores her first top 10 debut as "Circus" starts at No. 3.

The song, which she performed live on ABC's "Good Morning America" the day her No. 1 album of the same name hit retail, also opens at No. 1 on Hot Digital Songs with 212,000 downloads. With her former No. 1 single "Womanizer" at No. 10 on the Hot 100, Spears places two tracks simultaneously in that chart's top 10 for the first time in her career.

On the Hot 100, Lady Gaga's "Just Dance" featuring Colby O'Donis rises 5-4, trading places with T.I.'s "Whatever You Like." Beyonce's "If I Were a Boy" slides 3-6, as Katy Perry's "Hot N Cold" inches up 8-7.

Kanye West's "Love Lockdown" jumps 13-8 thanks to a 14% digital uptick to 98,000 copies. Ne-Yo's "Miss Independent" slides 7-9 to round out the top 10. Akon's "Beautiful" featuring Colby O'Donis and Kardinal Offishall debuts at No. 19 with digital sales of 92,000.

On Hot R&B/Hip-Hop Songs, "Single Ladies" remains No. 1 for a fourth week. Jay-Z's "Brooklyn Go Hard" featuring Santogold is the top debut at No. 62. The song is included on Bad Boy's "Notorious" soundtrack.

Montgomery Gentry zooms 3-1 on Hot Country Songs with "Roll With Me," its fifth chart-topper there. Elvis Presley's "Blue Christmas," with contemporary vocal overdubs from Martina McBride, is the top debut at No. 43.

Kings Of Leon scores its first No. 1 on Billboard's Modern Rock chart with "Sex on Fire," which unseats the Offspring's "You're Gonna Go Far, Kid" after an 11-week reign. There's a new leader on Mainstream Rock as well, as Apocalyptica "I Don't Care" featuring Adam Gontier jumps 2-1 to dethrone AC/DC's "Rock'n'Roll Train" after three weeks.