The #1 R&B song on December 21, 2006

Irreplaceable By Beyoncé

Other #1 songs on December 21, 2006

#1 Hit Song

Irreplaceable
Beyoncé

UK #1 Song

Patience
Take That

#1 Country Song

Want To
Sugarland

#1 Alternative Hit

Anna Molly
Incubus

#1 Dance Track

Lost Yo Mind
Pepper MaShay

Notable December 21 birthdays in the 2000s

JonMarco Gaydos
Scooter Rider
Born December 21, 2002
Lexi Drew
Pop Singer
Born December 21, 2003
Montserrat Garcia
TV Actress
Born December 21, 2004
Maite Padilha
Movie Actor
Born December 21, 2000