The #1 song on January 15, 2009

Just Dance By Lady Gaga featuring Colby O'Donis

Other #1 songs on January 15, 2009

UK #1 Song

Just Dance
Lady Gaga featuring Colby O'Donis

#1 R&B Song

Single Ladies (Put a Ring on It)
Beyoncé

#1 Country Song

Already Gone
Sugarland

#1 Alternative Hit

Sex on Fire
Kings of Leon

#1 Dance Track

Single Ladies (Put a Ring on It)
Beyoncé

Notable January 15 birthdays in the 2000s

Piper Nairn
Movie Actress
Born January 15, 2003
Christopher Convery
TV Actor
Born January 15, 2008
Grace VanderWaal
Pop Singer
Born January 15, 2004
Sanai Victoria
TV Actress
Born January 15, 2007
Parker Sharpe
Model
Born January 15, 2000