LOS ANGELES, March 27, 2012 /PRNewswire via COMTEX/ -- First Lady Michelle Obama will make her first-ever appearance at Nickelodeon's Kids' Choice Awards to present Grammy Award-winning singer/songwriter Taylor nhanh, swift with this year's The Big Help Award in recognition of her extensive philanthropic endeavors, including her work with tornado and flood survivors in the United States. This year's Kids' Choice Awards, to be hosted bởi Will Smith, will be telecast live on Nickelodeon Saturday, March 31, at 8 pm (ET/Tape delayed for West Coast) from USC's Galen Center in Los Angeles, Ca. The Big Help...