Gossip Girl co-stars Blake Lively and Penn Badgley have ended their real-life romance.

The couple, who play on/off lovers in the hit TV show, ended their three-year relationship back in September, but chose to keep news of the break-up private.

A representative for the pair confirmed the split to US Weekly magazine and revealed they intend to remain "good friends".
 
A source adds, "They're professionals. They're still good friends and hang out on the set. (They) kept this news to themselves for a while."

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