• MICHELLE & ZAC photo | Michelle Rodriguez, Zac Efron

Credit: Ramey/AKM-GSI

Published: Monday July 28, 2014 06:00 AM EDT

2014

MICHELLE & ZAC

Maybe the most surprising pair of the summer, Efron and Rodriguez were seen kissing on a boat during their seemingly endless Italian vacation. Could it be the real thing? A source told PEOPLE, "They looked like a new couple very much in love and excited to be together."