Other #1 songs on December 21, 2007
Across genres and charts

#1 country song

Our Song

Taylor Swift

#1 dance track

Keep Your Body Working

Tony Moran featuring Martha Wash

#1 R&B song

No One

Alicia Keys

#1 song in the UK

What a Wonderful World

Katie Melua and Eva Cassidy

#1 song

No One

Alicia Keys

The #1 Movie
At the box office on December 21, 2007

National Treasure: Book of Secrets

Directed by Jon Turteltaub

Notable December 21 Birthdays
Born in the 2000s

Cooper Flagg

Basketball Player

Born December 21, 2006