Britney Spears just dumped her boyfriend of 18 months … after finding out there’s a video of him cheating on her that’s being shopped around Hollywood. We’re told David Lucado is seen in the video making out with a woman and dancing with her. We’re told the video was shot in early August. Sources tell us as soon as Britney got word about the vid … she broke up with David. She just tweeted, “Ahhhh the single life!”
