Funny Celebrity Twitter Pictures 2011-01-13 22:30:15

Lots of our favourite celebrities were busy tweeting away this week, sharing pics of their family, work projects and fun activities. Pregnant Rachel Zoe (who revealed she's having a boy) posed with a model while Kim Kardashian posed in racy attire. Jessica Simpson was having a bad hair day and Justin Bieber showed off his "bad ass" side — click through to see all the pics, and don't forget to follow us on Twitter for exciting news and photos!