Jennifer Aniston 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 on Sunday. Before the show, Jennifer showed off her playful side and grabbed Kate Hudson's butt, joking that it was "irresistible." Afterward, she linked up with Selena Gomez at InStyle's star-studded Globes bash, where Justin also mingled with Paul Rudd. Meanwhile, the Critics' Choice Awards are on Thursday, and Jennifer is among this year's Critics' Choice nominees. Keep reading for all the best pictures of Jennifer and other stars at the LA premiere of Cake.