Britney Spears has called it quit with boyfriend after seeing the video of him cheating on her.David Lucado was seen making out and dancing with another woman in the video.When TMZ called Lucado, a rep answered the phone and said; "David is very, very in love with Britney. This is unfortunate and he hopes that it all works out."Speaking with Britney's camp, it was gathered that her father Jamie wanted to say something about it, but wanted to tell Britney first. It appears as soon he told her after which she broke up with David.She just tweeted,"Ahhhh the single life!"The duo dated just for 18 months. Click here to read full news..