People News Zac Efron's friends "worried sick," think he's using again 03/28/2014 Zac Efron's friends are skeptical about the actor's incident with a group of transients over the weekend. Read More RELATED NEWS Kaitlyn Bristowe calls Jason Tartick out for being "mean and pathetic"Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second child TAGS: Zac Efron
