U.S. first lady Michelle Obama (L) presents The Big Help award to singer Taylor Swift at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. The honor, bestowed on Obama two years earlier for her work with kids fitness and health, goes to a celebrity who has devoted time and energy to charitable causes. Swift was singled out for her work to stop bullying and for providing aid to tornado victims in the southern United States. [Photo/Agencies]

Singer Taylor Swift accepts The Big Help award as U.S. first lady Michelle Obama stands nearby, at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. The honor, bestowed on Obama two years earlier for her work with kids fitness and health, goes to a celebrity who has devoted time and energy to charitable causes. Swift was singled out for her work to stop bullying and for providing aid to tornado victims in the southern United States. [Photo/Agencies]