Kenan Thompson Remembers ‘All That’ Co-Star Christy Knowings: “This One Hit Hard”

Saturday Night Live‘s Kenan Thompson is remembering his former All That co-star Christy Knowings, who died at 46 Tuesday after being taken off life support following a devastating asthma attack. “Man this one hit hard!!!,” Thompson wrote on Facebook today after learning that his castmate from the ’90s Nickelodeon series had passed. “Rest well Christy!!!…