Popsugar Celebrity Celebrity Couples Brad Pitt at Jennifer Aniston's 50th Birthday Party Pictures Brad Pitt Showed Up to Jennifer Aniston's 50th Birthday Party, No Big Deal 10 February 2019 by Britt Stephens View On One Page Photo 31 of 31 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Derek Blasberg (@derekblasberg) on Feb 10, 2019 at 1:22pm PST Share This Link Copy ← Use Arrow Keys → 31 Previous Next Start Slideshow Celebrity CouplesCelebrity BirthdaysJennifer AnistonBrad Pitt