Is It Love? You Decide!

Are Nick & Vanessa, Sienna & Hayden and other duos made for each other? Tell us! By Emily Fromm

MISCHA & CISCO

Mischa Barton, 20, and Cisco Adler, 27, have been dating since October – and facing rumors of trouble for nearly as long. But Adler tells PEOPLE, "Oh, the reports! I read them and I'm like, 'We're on the rocks today, babe. Did you know that?' "