Today's Celebrity Twitter Chatter: Oh Grow Up!SThe following celebrities need to grow up. And one of them turned 21.

Okay, NYC. Not too cold. I can handle this.Mon Dec 13 16:50:03 via ÜberTwitter

Oh grow up!

New Year's Resolution #1: get revenge on everybody.Mon Dec 13 20:15:39 via web

Oh grow up!

I see no difference between the angry birds and al QaedaMon Dec 13 17:34:40 via web

Oh grow up!

Snowflakes are flurrying down outside and it's my last day of being 20!Sun Dec 12 20:27:48 via Twitter for iPhone

Taylor Swift grew up!

My baby threw up on me this morning. She really can't handle her liquor. No more beer for breakfast.Mon Dec 13 20:05:02 via web

Oh grow up!