"#GoldenGlobes tomorrow gotta fuel up!" she wrote.
Gaga told ET that she also chowed down on Vietnamese food.
"I really had to pack it before a long evening," she explained before passionately sharing her empowering advice for women.
"You know what, women? Eat. Eat what you want," she said. "Do what you want, be who you are, do not starve yourself, live your life. Listen, I'm telling you, the pressures in Hollywood and that celebrity aura puts on young people, it's too much and, you know, eat what you want, be who you are."
As for her stunning look, Gaga was shocked when ET brought up how similar her dress was to Judy Garland's lavender look in the 1954 version of A Star Is Born.
"We didn't say that. No, but it looks an awful lot like that, doesn't it?" she marveled. "She looks beautiful. This is a Valentino Couture custom creation for me. That's special, except I'm missing the gloves. Thank you for showing me that. It made my night."