Ashlee Simpson, Jessica Alba, Minka Kelly, and More in This Week's Fun and Funny Celebrity Twitter Pictures!

The Super Bowl gave celebrities like Jessica Alba and Cash Warren a chance to tweet fun pictures, but that's not all that the stars were up to this week. Minka Kelly showed off her cute pup, Ashlee Simpson let loose with friends, and Chelsea Handler donned a silly hat. Don't forget to follow PopSugarUK on Twitter for all the latest celeb news and updates — click through to see all the photos!