Taylor Lautner & Kristen Stewart Had A Mini 'Twilight' Reunion For His Birthday

Taylor Lautner celebrated his 27th birthday on Monday night with a group of friends, including former Twilight saga costar Kristen Stewart!
One pal, CJ Romero, posted a photo of the three together from the bash (above), and the actor also shared a few photos of his group, including Patrick Schwarzenegger, celebrating his big day on Instagram.
Related: Robert Pattinson Is Down To Play Edward Cullen Again!
Ch-ch-check out the photos (below):

But where was Robert Pattinson?? LOLz!
[Image via CJ Romero/Instagram.]