Betty White celebrated her 91st birthday in style. A star-studded line up paid tribute to America's Golden Girl, including Blake Shelton who rewrote 'Honey Bee' as a birthday present.  Hear his tribute to White, who was watching from home, in her bathrobe.

Other guests included Bill Clinton, Bill Cosby, Whoopi Goldberg, Sean Hayes, Rico Rodriguez, Lily Tomlin and Sarah Silverman.