The #1 dance song on May 21, 2009

Halo By Beyoncé

Other #1 songs on May 21, 2009

#1 Hit Song

Boom Boom Pow
The Black Eyed Peas

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

Notable May 21 birthdays in the 2000s

Jake Beale
Voice Actor
Born May 21, 2001
Karyme Hernandez
Movie Actress
Born May 21, 2002
Hollyjboo
Dancer
Born May 21, 2004
JJ Batteast
Stage Actor
Born May 21, 2003
Cherry Campbell
TV Actress
Born May 21, 2005