Zac Efron shows off bleach blonde hair while vacationing with newly-single Nina Dobrev

It might be tough to look away from Zac Efron's bold new hairstyle, which is a huge contrast to his usual look. The High School Musical alum has swapped out his trademark dark brown locks for a bright, bleach blonde shade while on vacation with Nina Dobrev, Chace Crawford, Miles Teller, and Keleigh Teller. Dobrev made headlines recently for ending her engagement to Shaun White. Keleigh Teller Instagram Zac Efron vacations with Nina Dobrev, Chace Crawford, Miles Teller, and Keleigh Teller. Efron, 37, unveiled his striking hair transformation during a seaside getaway, posing with the group . . .