"NBC SPECIALS"

"BETTY WHITE'S SECOND ANNUAL 90TH BIRTHDAY SPECIAL"

02/05/2013 (08:00PM - 09:00PM) (Tuesday) : Seven-time Emmy Award winner Betty White will be celebrating her 91st birthday in style as a star-studded line up of special guests pays tribute to one of the world's most beloved entertainers. Blake Shelton, Bill Cosby, Whoopi Goldberg, Sean Hayes, Rico Rodriguez, Lily Tomlin and Sarah Silverman will honor America's comedy sweetheart, along with Bill Clinton, the 42nd President of the United States. Also on hand to deliver birthday wishes will be Vicki Lawrence --reprising her popular title role from "Mama's Family" -- Katie Couric and White's "Hot in Cleveland" co-stars "Valerie Bertinelli, Jane Leeves and Wendie Malick, as well as Zachary Levi, Larry King and Kate Flannery. The evening will include special performances � including Shelton singing a tailor-made musical number for the birthday girl � as well as comedy and clips that perfectly capture the irreverent tone, spirit and comedic flair that are the hallmark of White's extraordinary career.