The #1 song on December 21, 2003

Hey Ya! By OutKast

Other #1 songs on December 21, 2003

UK #1 Song

Mad World
Michael Andrews and Gary Jules

#1 R&B Song

You Don't Know My Name
Alicia Keys

#1 Country Song

There Goes My Life
Kenny Chesney

#1 Alternative Hit

Numb
Linkin Park

#1 Dance Track

Me Against the Music
Britney Spears featuring Madonna

Notable December 21 birthdays in the 2000s

JonMarco Gaydos
Scooter Rider
Born December 21, 2002
Akira Van
Gymnast
Born December 21, 2006
Maite Padilha
Movie Actor
Born December 21, 2000
Montserrat Garcia
TV Actress
Born December 21, 2004