The #1 song on April 21, 2009

Boom Boom Pow By The Black Eyed Peas

Other #1 songs on April 21, 2009

UK #1 Song

I'm Not Alone
Calvin Harris

#1 R&B Song

Blame It
Jamie Foxx featuring T-Pain

#1 Country Song

Here Comes Goodbye
Rascal Flatts

#1 Alternative Hit

Use Somebody
Kings of Leon

#1 Dance Track

Love Is the Look
Kristine W

Notable April 21 birthdays in the 2000s

Maria Quezada
TV Actress
Born April 21, 2001
Imogen Faires
TV Actress
Born April 21, 2002
Nemo Schiffman
Pop Singer
Born April 21, 2000
Callie McClincy
TV Actress
Born April 21, 2006
Emma Tremblay
Movie Actress
Born April 21, 2004
Carla Georges
Pop Singer
Born April 21, 2003
Princess Isabella
Princess
Born April 21, 2007