TV Kirstie Alley's 'Cheers' Reunion Published 6:56 PM PST, January 16, 2013 It's been nearly two decades since Cheers went off the air, but the onscreen chemistry hasn't changed between Kirstie Alley and Rhea Perlman, as seen in Kirstie's new TV Land pilot, Giant Baby.On the show, Kirstie plays a Broadway diva whose life gets up-ended.VIDEO: Kirstie Alley Celebrates 62nd Birthday with ET"You know, we were planning this when we were doing Cheers," Kirstie said of reuniting with Rhea. "We said when Cheers isn't on the air anymore we'll do a show together."Rhea plays Kirstie's best friend on Giant Baby, but she's also been a close friend to the Golden Globe winner in real-life, as Kirstie mentions in her New York Times bestseller, The Art of Men.Kirstie's book, detailing her sexual exploits and struggles with drug addiction, has had so much success that it's attracted readers that Kirstie never thought would buy it."It never dawned on me that my dad would read my book," Kirstie said. "I didn't give it to him!"Click the video for more.