The #1 song in the UK on January 13, 2011

What's My Name? By Rihanna featuring Drake

Other #1 songs on January 13, 2011

#1 Hit Song

Firework
Katy Perry

#1 R&B Song

Can't Be Friends
Trey Songz

#1 Country Song

Felt Good on My Lips
Tim McGraw

#1 Alternative Hit

Waiting for the End
Linkin Park

#1 Dance Track

One Hot Pleasure
Erika Jayne