Jennifer Aniston Clocks 50, Brad Pitt Attends Her Birthday Party

Jennifer Aniston just clocked 50, and guess who showed up to celebrate with her? Her ex-husband, Brad Pitt.

This is not the regular exes showing each other love when it matters most thing as their 5-year marriage crumbled when he had an affair with Angelina Jolie and eventually tied the knot with her.

Pitt didn’t allow much paparazzi at …