"I save my voicemails if somebody I look up to calls me... My most cherished is actually Michael Jackson gave me one, he called me... and Michelle Pfeiffer. Matthew McConaughey left me a good one... He was like, 'Zachary dachary dock. How are you, man. Just checking in, seeing how your are doing'." Zac Efron likes to keep hold of his phone messages form famous fans and friends.