"They were sitting with Yves Saint Laurent creative director Stefano Pilati. But Emma and Rafael looked like they were on a date. They were sitting very close together," the New York Post quoted a source, as saying.
Cebrian, who is a drummer in the band Monomes, is Watson's fellow student at Brown. Earlier Watson, 19, had been dating financier Jay Barrymore. Watson's reps have kept mum on the issue.