Article continues below advertisementPrince William was a nervous wreck before Prince Harry and Meghan Markle's bombshell interview with Oprah Winfrey aired on TV back in 2021.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: CBSThe Sussexes spoke with Oprah Winfrey in 2021 about life after leaving the royal family.In royal author Christopher Andersen's new biography about Kate Middleton, he claimed the Prince of Wales, 43, was "literally sick with worry" leading up to the Sussexes' sit-down.