Krysten Ritter: Bank Nightclub Birthday Party!

Krysten Ritter celebrates her birthday in style at The Bank Nightclub at the Bellagio on Saturday (December 15) in Las Vegas.

The Don’t Trust the B—- in Apt 23 actress turned 31-years-old the next day! Happy birthday, Krysten!!!

PHOTOS: Check out the latest pics of Krysten Ritter

“Having too much fun @thebanklv and @sammymangopants #bday #vegas #bigshitpoppin” Krysten tweeted at her party. “Bday dinner with my besties!” she added.

FYI: Krysten is wearing a Herve Leger dress and Rachel Zoe shoes.

15+ pictures inside of Krysten Ritter looking stylish at her birthday party at The Bank Nightclub in Vegas…