FILE - In this April 26, 2015, file photo, Betty White accepts the lifetime achievement award at the 42nd annual Daytime Emmy Awards at Warner Bros. Studios on Sunday, April 26, 2015, in Burbank, Calif. White turned 95 on Jan. 17, 2017. (Photo by Chris Pizzello/Invision/AP, File)
This undated publicity photo shows, from left, Betty White, Valerie Harper, Ed Asner, Mary Tyler Moore, Gavin MacLeod, Cloris Leachman and Georgia Engel, the original cast of the "Mary Tyler Moore Show." (AP Photo, File)
From left, actresses Valerie Harper, Cloris Leachman, Mary Tyler Moore, Betty White and Georgia Engel, former co-stars of the '70s TV classic "The Mary Tyler Moore Show," posing after a press conference in Los Angeles discussing their reunion for an upcoming episode of sitcom "Hot in Cleveland." (AP Photo/Courtesy TV Land, Danny Feld)
** FILE ** Actress Betty White poses for a portrait following her appearance on the television talk show "In the House," in Burbank, Calif., in this Nov. 24, 2009, file photo. (AP Photo/Chris Pizzello, File)
FILE - In this Jan. 18, 2011 file photo, actress Betty White attends her 89th Birthday celebration hosted by TV Land, in New York. White is taking on reality TV with a hidden-camera show that turns senior citizens into merry pranksters. NBC has ordered 12 episodes of "Betty White's Off Their Rockers," the working title for a series. The reality show follows seven seniors who band together to play pranks on younger people, with White helping conspire to put one over on "the unsuspecting youth of America," said NBC and Universal Media Studios executive Paul Telegdy. (AP Photo/Peter Kramer, file)
Betty White is seen backstage with the award for outstanding performance by a female actor in a comedy series at the 17th Annual Screen Actors Guild Awards on Sunday, Jan. 30, 2011, in Los Angeles. (AP Photo/Matt Sayles)
Ed O'Neill, left, and Betty White are seen backstage at the 17th Annual Screen Actors Guild Awards on Sunday, Jan. 30, 2011, in Los Angeles. (AP Photo/Matt Sayles)
In this film publicity image released by Touchstone Pictures, sandra Bullock, left, and Betty White are shown in a scene from, "The Proposal." White has been voted the Entertainer of the Year by members of The Associated Press. (AP Photo/Disney/Touchstone Pictures, Kerry Hayes)
A wooden plague given to actress Betty White is seen during a ceremony where she was named an Honorary Forest Ranger by the US Forest Service, at the Kennedy Center in Washington Washington, Tuesday, Nov. 9, 2010. White has stated in numerous interviews that her first ambition as a young girl was "to become a forest ranger, but they didn't allow women to do that back then". (AP Photo/Cliff Owen)
** FILE ** Actress Betty White, 88, became a five-time Emmy winner Saturday when she received the award for her turn as host of "Saturday Night Live" in May.
FILE - In this Nov. 24, 2009 file photo, actress Betty White poses for a portrait following her appearance on the television talk show "In the House," in Burbank, Calif. (AP Photo/Chris Pizzello, File)