Other #1 songs on March 21, 2008
Across genres and charts

#1 country song

All-American Girl

Carrie Underwood

#1 dance track

Feedback

Janet Jackson

#1 R&B song

I Remember

Keyshia Cole

#1 song in the UK

Mercy

Duffy

#1 song

Love in This Club

Usher featuring Young Jeezy

The #1 Movie
At the box office on March 21, 2008

Horton Hears a Who!

Directed by Jimmy Hayward, Steve Martino

Notable March 21 Birthdays
Born in the 2000s

Jace Norman

Actor

Born March 21, 2000