"It's exhausting," says Julianne of attending awards shows. "Not in a bad way – but it's exhausting because you're constantly on." Her key to maintaining her red-carpet stamina? "I gotta make sure I eat before," she says, citing proteins and salads as her go-tos. "Once it starts, you don't eat the entire night. If I don't have food in my stomach, I get cranky and I have no energy, and it's so hard for me to be up."