Up until her death in 2021, Betty White remained as witty as ever. Did she have a secret to maintaining her youthful charm? "I'm a bit of an addict," she joked to Cleveland Magazine, talking about a giant jar of licorice she kept in her "Hot In Cleveland" dressing room. "She eats crap," former castmate Jane Leeves told Us Weekly. "Red Vines, hot dogs, French fries and Diet Coke. If that's key, maybe she's preserved because of all the preservatives." She joked to People in 2021, "I try to avoid anything green."

White's also gotten by on four hours of sleep for her entire life. "If I get four good hours, I mean really good hours, then I'm fine," she told the ladies of "The View." 

Perhaps revealing the actual secret to her long life and great health, she told Katie Couric, "So many people think negatively. ... I know it sounds boring, but I am a positive thinker ... that's why I've stayed happy all my life."