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Fresh from a trip to the 3-day Coachella Valley Music Festival in Indio, CA last weekend, Zac Efron looks surprisingly rested and relaxed as he makes his way to lunch with friends in LA.

Efron's ex Vanessa Hudgens was also partying it up at Coachella last weekend (in some ultra-sexy outfits) but it didn't bother Zac at all -- the pair are still on good terms since their split last December.

The High School Musical stars recently reunited to support their former costar Ashley Tisdale at a party in West Hollywood for the launch of her straight-to-DVD Disney movie, Sharpay's Fabulous Adventure.

We're happy to hear they don't have to completely avoid each other at events -- the less drama, the better!