
E! Online reports that during a 15-hour shoot on Tuesday, sources say Zac and Vanessa were not only giggling and holding hands between takes but they were sprawled out "like lovers on a picnic."
"When they're not needed on set, they're on each other's laps," says a set source. Ahhh, to be young and in love and working on the most anticipated teen sequel -- together.

Whether you're excited for the adventure in 

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