This superstar couple is so in love -- but do YOU think they were better at expressing emotions on the silver screen?
and Kristen Stewart
are a perfect couple, only rivaled in devotion by their on-screen counterparts in Breaking Dawn
: Edward and Bella! Both pairs have undeniable chemistry, but as their biggest year yet comes to a close, we have to put it up to a vote! Check out our gallery and tell us, HollywoodLifers
-- do Rob and K-Stew have more chemistry onscreen or off?