Exclusive! Inside Zac & Michelle's Romance: They've Hooked Up Before!

"Michelle is super-cool and laid-back and Zac has always been attracted to her because of that," the source explains. "She's one of those people that everyone likes, she just gets on with all kinds of people and doesn't take the fame thing too seriously."

"Zac likes the fact that she is laid-back and he can relate to her," the insider adds. "He is attracted to her great attitude. They understand one another."

Just the other day, Turki even shared a cute photo of Efron and Rodriguez hanging out together. He also posted a funny pic of the couple Photoshopped in Middle Eastern garb.

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