by Chelsea StewartBuzzFeedBuzzFeed StaffI'm Chelsea, the Weekend Editor at BuzzFeed, where I cover everything from pop culture and politics to TV and celebrity news. Liza Minnelli is reflecting on the viral moment when Lady Gaga helped her at the 2022 Oscars. Daniele Venturelli / Getty Images Liza revisits the moment she presented the Best Picture award with the "Poker Face" singer in her upcoming book, Kids, Wait Till You Hear This! Abc / Getty Images In the years before the show, she battled health issues, including surviving a rare case of encephalitis - a life-threatening brain infection -...