Little Mix Celebrate Leigh-Anne Pinnock's Birthday!

Little Mix stop and pose for a few pics while heading into 55 Club in London on Friday night (October 4).

The girls — Jade Thirlwall, Jesy Nelson, and Perrie Edwards — went out to celebrate band mate Leigh-Anne Pinnock‘s birthday, who turned 22.

“Happy birthday to one of the most beautiful, kind, talented girls I know! So proud to be part of ur life, love you long time Pocahontas,” Jade posted on Twitter.

Perrie added, “Happy birthday Leigh Leigh (Pocahontas) my beautiful sister! I love you more than anything! Hope you have the best birthday ever!”

In case you missed it, check out Little Mix‘s new album title and track listing!

15+ pics inside…