The #1 dance song on August 21, 2009

Waking Up in Vegas By Katy Perry

Other #1 songs on August 21, 2009

#1 Hit Song

I Gotta Feeling
The Black Eyed Peas

UK #1 Song

I Gotta Feeling
The Black Eyed Peas

#1 R&B Song

Pretty Wings
Maxwell

#1 Country Song

You Belong with Me
Taylor Swift

#1 Alternative Hit

New Divide
Linkin Park

Notable August 21 birthdays in the 2000s

Miles Elliot
Movie Actor
Born August 21, 2001
Lainey Mihacevich
Dancer
Born August 21, 2002
Wagner Barreto
Pop Singer
Born August 21, 2000
Christa Beth Campbell
Movie Actress
Born August 21, 2003
Ethan Fineshriber
Martial Artist
Born August 21, 2004
Alysa Gutierrez-Sierra
Dancer
Born August 21, 2008