Ok!Magazine reported:

Sources close to High School Musical co-stars, and offscreen sweethearts, Zac Efron and Vanessa Hudgens, tell OK! that the adorable couple have officially gone their separate ways.

According to the source, while Zac was away in Europe promoting Hairspray, Vanessa was at a Hollywood Hills party, where eyewitnesses say she was "all over" her older, not-Zac date. And when someone dare