Is Emma Roberts
two-timing boyfriend Chord Overstreet
with Zac Efron
? Emma, 20, has been dating Glee
star Chord since the summer, although they have been tight-lipped about their relationship status. But an eyewitness spotted Emma and High School Musical
star Zac "full-on making out" at an after-hours party hosted by Lance Bass
on October 30. "Zac and Emma both wound up at Lance's party, and before the night was over, they were all over ...