*Updated with show pictures and performance video
Willow Smith rocked the stage at the 2011 Kids' Choice Awards this past weekend. She performed her his songs 21st Century Girl and Whip My Hair
. VIDEO: Watch Willow perform now!
Meanwhile actor Jaden Smith accepted the Favorite Movie award for "The Karate Kid".
Check out more pictures of the siblings at Nickelodeon's 24th Annual Kids' Choice Awards at Galen ...