Gossip Girl co-stars and real-life couple Blake Lively and Penn Badgley were seen at the men’s semifinal match at the 2009 U.S. Open tennis tournament Sunday.

You could say the score was love-love. Get it?!

The tourney, held at the Billie Jean King National Tennis Center in Queens, concludes this afternoon. Blake and Penn watched Roger Federer beat Novak Djokovic.

Mostly, though, they watched each other. Aww ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.