Other #1 songs on January 21, 2011
Across genres and charts

Felt Good on My Lips by Tim McGraw

#1 country song

Felt Good on My Lips

Tim McGraw

Firework by Katy Perry

#1 dance track

Firework

Katy Perry

Can't Be Friends by Trey Songz

#1 R&B song

Can't Be Friends

Trey Songz

Grenade by Bruno Mars

#1 song in the UK

Grenade

Bruno Mars

Grenade by Bruno Mars

#1 song

Grenade

Bruno Mars

The #1 Movie
At the box office on January 21, 2011

No Strings Attached

No Strings Attached

Directed by Ivan Reitman