Just when you thought Lip Sync Battle couldn't get any hotter, Nina Dobrev turns the up heat to scorching! On an episode airing Thursday, the 27-year-old former Vampire Diaries actress performs an extra sultry rendition of Marvin Gaye 's "Let's Get It On," during which she basically seduces her competitor, Tim Tebow . Last month, Lip Sync Battle contestant Jenna Dewan Tatum gave husband and rival Channing Tatum a lap dance while performing on the Spike TV show. PHOTOS: Celebrities in bikinis RELATED VIDEOS: This content is available customized for our international audience. Would you like to view this in our US edition?