The #1 R&B song on March 24, 2007

Lost Without U By Robin Thicke

Other #1 songs on March 24, 2007

#1 Hit Song

Glamorous
Fergie featuring Ludacris

UK #1 Song

Walk This Way
Sugababes vs. Girls Aloud

#1 Country Song

Beer in Mexico
Kenny Chesney

#1 Alternative Hit

Pain
Three Days Grace

#1 Dance Track

And I Am Telling You I'm Not Going
Jennifer Hudson