Betty White died less than three weeks before her 100th birthday as a result of “natural causes,” her agent said Monday. “Betty died peacefully in her sleep at her home,” the agent, Jeff Witjas, who was also White’s close friend, said in a statement to People. Witjas also shot down a debunked report that claimed White had just gotten a COVID-19 booster shot on Dec. 28. “People are saying her death was related to getting a booster shot three days earlier, but that is not true. She died of natural causes,” he told the magazine. “Her death should not be...