Britney Spears — Breaks Up with BF David Lucado After Video Surfaces of Him Cheating

EXCLUSIVE

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. It looks like they’re in someone’s living room. We’re told the video was shot in early August. 

When we called Lucado ……