From www.GossipCop.com: Taylor Swift and “New Moon” hunk Taylor Lautner have split up. The couple, who met on the set of the movie “Valentine’s Day,” began dating a little more than three months ago, but “it just wasn’t happening,” a Swift source tells Gossip Cop. The insider added, “They met, they liked each other, went out a few times, but the media made a bigger deal of it than it was b…