Willow performed the song on '' The Oprah Winfrey Show '' , as well as at the 2011 Kids ' Choice Awards . Willow performed at the White House Easter Egg Hunt . The song was also performed by Willow as a support act on UK dates of Justin Bieber 's My World Tour
2011 Kids ' Choice Awards
2011 Kids' Choice Awards
21st Century Girl (Willow song)