UNIVERSAL CITY, Calif., Jan. 17 (UPI) -- Bill Cosby, Whoopi Goldberg, Sean Hayes and Bill Clinton are to honor U.S. actress Betty White during her 2nd annual 90th birthday special, NBC announced.
Also confirmed to take part in the event marking White's 91st birthday are Blake Shelton, Rico Rodriguez, Lily Tomlin, Sarah Silverman, Katie Couric, Vicki Lawrence, Zachary Levi, Larry King and Kate Flannery.