Sheryl Underwood has revealed an embarrassing incident which involved "" co-host . Sheryl, who took the stage for "CBS Daytime After Dark: An Evening of Laughter in Support of Stand Up to Cancer" event at the Comedy Store on October 8, recalled their first time meeting. "They said, 'Can you go meet Sharon Osbourne?' I said, 'Ozzy's wife? For real, I can do that,' " Sheryl told the audience.