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 21 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 21 Lisa Kudrow Previous Next Start Slideshow Celebrity CouplesCelebrity BirthdaysJennifer AnistonBrad Pitt