Big Bang Theory costars Kaley Cuoco and Melissa Rauch grabbed their boobs during a Golden Globes after party on Jan. 12; "Holding our golden globes at the golden globes," Cuoco wrote Credit: courtesy of Kaley Cuoco

Bosom buddies! Kaley Cuoco and Melissa Rauch got raunchy while attending the InStyle Golden Globes after party Sunday night. While rubbing shoulders with some of the biggest A-list movie stars in Hollywood, the Big Bang Theory costars grabbed their, ahem, "golden globes" (instead of swiping actual trophies away from winners like Leonardo DiCaprio or Amy Adams.)

"Holding our golden globes at the golden globes," Cuoco, 28, wrote via Instagram. Alongside the caption, Mrs. Ryan Sweeting shared a picture of herself holding up her boobs next to Rauch, 33. The ladies didn't need much help baring their assets, as Cuoco wore a cleavage-baring Rani Zakhem gown and Rauch donned a plunging, off the shoulder Romona Keveza ensemble.

Inside the star-studded bash, Cuoco stocked up on some truffles at the Godiva Bar and mingled with her new hubby. Earlier that day, she shared a picture of the two getting ready before arriving at the Beverly Hilton Hotel.

"Hottest date on the planet @ryansweething #goldenglobes," she gushed of the 26-year-old pro tennis player, with the two posing for a prom-esque snapshot. She even let her followers in on a little secret when it comes to keeping comfortable on the red carpet. "Always pack an emergency flat," she wrote. In the pic, she ditched the painful heel and instead went for matching pink flats.