Other #1 songs on December 15, 2010
Across genres and charts

Tighten Up by The Black Keys

#1 alternative hit

Tighten Up

The Black Keys

Why Wait by Rascal Flatts

#1 country song

Why Wait

Rascal Flatts

Can't Be Friends by Trey Songz

#1 R&B song

Can't Be Friends

Trey Songz

The Time (Dirty Bit) by The Black Eyed Peas

#1 song in the UK

The Time (Dirty Bit)

The Black Eyed Peas

Firework by Katy Perry

#1 song

Firework

Katy Perry

The #1 Movie
At the box office on December 15, 2010

The Chronicles of Narnia: The Voyage of the Dawn Treader

The Chronicles of Narnia: The Voyage of the Dawn Treader

Directed by Michael Apted