Hollywood Men are Having a Vibe Shift

From Sun Valley's Barry Diller to Brad Pitt, a new dress code takes hold

SHINE ON Brad Pitt’s head-turning fashion in the August GQ cover story lit up the internet. (Elizaveta Porodina/GQ).

You don’t need me to tell you that men’s fashion has undergone a seismic change in the last few years. Evidence of the dramatic vibe shift in the way men dress is everywhere, from politics to the workplace (wherever that may be) to the red…