Temperatures rose to over 100 degrees on the Emmy red carpet on Sunday, but these stars never let you see them sweat.

"My suit is air conditioned," Kevin Spacey joked with ET when asked how he was staying cool.

Actress Laura Prepon turned to a sugar boost to fight off the fatigue from the hot California sun.

"Now they're serving Dunkin' Donuts out here, but I used to get bags shipped in from the east coast," she said.

Watch the video to hear what adult beverage kept Kyle Chandler going! This awards season, ET's red carpet runs on Dunkin'.