Other #1 songs on December 20, 2009
Across genres and charts

#1 alternative hit

Uprising

Muse

#1 country song

Need You Now

Lady Antebellum

#1 dance track

Bad Romance

Lady Gaga

#1 R&B song

I Invented Sex

Trey Songz featuring Drake

#1 song in the UK

Killing in the Name

Rage Against the Machine

The #1 Movie
At the box office on December 20, 2009

Avatar

Directed by James Cameron