Betty White, left, Bea Arthur and Rue McClanahan, right, of the TV sit-com "The Golden Girls" are on hand to sign copies of the show's new DVD of their third season at a book store on November 22, 2005 in New York City. (UPI Photo/Monika Graff)
Actresses Betty White (L) and Mary Tyler Moore present the award for outstanding comedy series at the 60th annual Primetime Emmy Awards in Los Angeles September 21, 2008. (UPI Photo/Jim Ruymen)
Betty White receives Lifetime Achievement Award at the 16th Screen Actors Guild Awards in Los Angeles
Actress Betty White appears backstage with her Lifetime Achievement Award at the 16th annual Screen Actors Guild Awards in Los Angeles on January 23, 2010. UPI/Jim Ruymen
Jon Hamm and Betty White announce winner at the 62nd annual Primetime Emmy Awards in Los Angeles
Actor Jon Hamm (L) and actress Betty White announce Eric Stonestreet as the winner of the outstanding supporting actor in a comedy series for "Modern Family", during the 62nd annual Primetime Emmy Awards at the Nokia Theatre in Los Angeles on August 29, 2010. UPI/Jim Ruymen
Betty White attends the premiere of "You Again" in Los Angeles
Betty White, a cast member in the motion picture comedy "You Again", attends the premiere of the film at the El Capitan Theatre in the Hollywood section of Los Angeles on September 22, 2010. UPI/Jim Ruymen
Betty White arrives for the 2010 Mark Twain Prize in Washington
Betty White arrives for the 12th Annual Mark Train Prize at the John F. Kennedy Center for the Performing Arts in Washington on November 9, 2010. UPI/Kevin Dietsch
Valerie Bertinelli, Wendy Malick, Betty White and Jane Leeves arrive for Betty White's 89th Birthday Party in New York
Valerie Bertinelli, Wendy Malick, Betty White and Jane Leeves arrive for Betty White's 89th Birthday Party at Le Cirque in New York on January 18, 2011. UPI /Laura Cavanaugh
Fran Drescher and Betty White arrive for the TV Land Premiere Party for "Hot in Cleveland" and "Happily Divorced" in New York
Fran Drescher and Betty White arrive for the TV Land premiere party for "Hot in Cleveland" and "Happily Divorced" at the Gansevoort Park Avenue Hotel in New York on June 13, 2011. UPI /Laura Cavanaugh
Betty White arrives for the Broadcasting & Cable 21st Annual Hall of Fame in New York
Betty White arrives for the Broadcasting & Cable 21st Annual Hall of Fame Awards at the Waldorf Astoria in New York on October 26, 2011. UPI /Laura Cavanaugh
Betty White celebrates her 90th birthday at the LA Zoo in Los Angeles
Actress Betty White stands beside a life-sized chocolate blackout cake in honor of her 90th birthday decorated with White's favorite animals , including a giraffe, elephant, koala, parrot, snake and porcupine, at the LA Zoo in Los Angeles on January 21, 2012. UPI/Jim Ruymen
Betty White attends the premiere of "Dr. Seuss' The Lorax" In Universal City, California
Actress Betty White, the voice of Norma in the animated motion picture fantasy "Dr. Seuss' The Lorax" arrives for the premiere of the film at Universal Studios in Universal City, California on February 19, 2012. UPI/Jim Ruymen
Valerie Bertinelli receives a star on the Hollywood Walk of Fame in Los Angeles
Television personality Valerie Bertinelli (L) reacts to comments as actress Betty White (R) looks on during an unveiling ceremony honoring Bertinelli with the 2,476th star on the Hollywood Walk of Fame in Los Angeles on August 22, 2012. UPI/Jim Ruymen
Betty White arrives on the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York City on February 15, 2015. Photo by John Angelillo/UPI
Betty White attends media preview of Beastly Ball fundraiser in Los Angeles
Actress Betty White attends the media preview for the Greater Los Angeles Zoo Association's Beastly Ball fundraiser at the Los Angeles Zoo in Los Angeles on June 11, 2015. The Beastly Ball raises $1 million annually for the Los Angeles Zoo and Botanical Gardens. Photo by Jim Ruymen/UPI
Actress Betty White holds Sugar Glider, a small marsupial originally from the rainforests of Australia and Indonesia as she attends the 45th annual Beastly Ball at the Greater Los Angeles Zoo in Los Angeles on June 20, 2015. Actress Betty White holds an Angolan Python as she attends the 45th annual Beastly Ball at the Greater Los Angeles Zoo in Los Angeles on June 20, 2015. Singer Lance Bass was the recipient of this year's Tom Mankiewicz Leadership Award during the fundraiser. Photo by Jim Ruymen/UPI
Betty White, Kate McKinnon, and Alec Baldwin onstage during the 70th annual Primetime Emmy Awards in Los Angeles
Betty White, Kate McKinnon, and Alec Baldwin onstage during the 70th annual Primetime Emmy Awards at the Microsoft Theater in downtown Los Angeles on September 17, 2018. Photo by Jim Ruymen/UPI