The #1 song on May 21, 2009

Boom Boom Pow By The Black Eyed Peas

Other #1 songs on May 21, 2009

UK #1 Song

Boom Boom Pow
The Black Eyed Peas

#1 R&B Song

Blame It
Jamie Foxx featuring T-Pain

#1 Country Song

It Happens
Sugarland

#1 Alternative Hit

Know Your Enemy
Green Day

#1 Dance Track

Halo
Beyoncé

Notable May 21 birthdays in the 2000s

Hollyjboo
Dancer
Born May 21, 2004
Matthew Bacik
TV Actor
Born May 21, 2001
Catarina Estralioto
Pop Singer
Born May 21, 2002
Nicole Arci
Dancer
Born May 21, 2003
Areana Lopez
Dancer
Born May 21, 2005
Leya Kirsan
TV Actress
Born May 21, 2008