Other #1 songs on December 19, 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

Loca by Shakira featuring Dizzee Rascal

#1 dance track

Loca

Shakira featuring Dizzee Rascal

When We Collide by Matt Cardle

#1 song in the UK

When We Collide

Matt Cardle

Firework by Katy Perry

#1 song

Firework

Katy Perry

The #1 Movie
At the box office on December 19, 2010

Tron: Legacy

Tron: Legacy

Directed by Joseph Kosinski