5 Secret Celebrity Affairs Kirstie Alley revealed 2 just this week By Evann Gastaldo, Newser Staff Posted Nov 11, 2012 1:13 PM CST 5 comments Comments John Travolta poses backstage with his wife, Kelly Preston, and Kirstie Alley at the Hollywood Film Festival 11th Annual Hollywood Awards in Beverly Hills, Calif. on Oct. 22, 2007. (AP Photo/Matt Sayles) (Newser) – Blindsided by the fact that Kirstie Alley apparently had emotional affairs with both Patrick Swayze and John Travolta? The Huffington Post lists five more celebrity romances that flew surprisingly under the radar: Jermaine Jackson (we're sorry, Jacksun) reportedly had an affair with Whitney Houston in the 1980s. He was married at the time, but had feelings for her until her death. Richard Burton's two marriages to Elizabeth Taylor are well-known, but he's also said to have romanced Marilyn Monroe while he was married to his first wife. Jean-Claude Van Damme revealed this year that he and Kylie Minogue had an affair back in 1994, when they were both starring in the Street Fighter movie. Click for the complete list, which includes Barbara Walters and Clark Gable.