Zac_GQ_Cover.jpgZac_GQ_Blue.jpgPhoto Credit: Peggy Sirota/GQ
Dressed in slim-fitting suit with his hair did up Rockabilly-style, Zac Efron looks positively dreamy on the cover of the upcoming issue of GQ magazine. There's even more hottness inside the mag, with Zac styled in various dandy fifties-style duds.

Total Swoonsville, right???