Jennifer Aniston [1] was all smiles at the LA premiere of Cake on Wednesday, stepping out in a white and floral dress with cutout details. The actress posed for pictures on the red carpet both solo and alongside actor Chris Messina, hugging him and laughing. It's been a busy week for Jennifer, as she and Justin Theroux stepped out for the Golden Globes [2] on Sunday. Before the show, Jennifer showed off her playful side and grabbed Kate Hudson's butt [3], joking that it was "irresistible." Afterward, she linked up with Selena Gomez [4] at InStyle's star-studded Globes bash [5], where Justin also mingled with Paul Rudd [6]. Meanwhile, the Critics' Choice Awards are on Thursday, and Jennifer is among this year's Critics' Choice nominees [7], though she didn't land an Oscar nomination [8]. Keep reading for all the best pictures of Jennifer and other stars at the LA premiere of Cake.