Popsugar Celebrity Celebrity Couples Bradley Cooper's 39th Birthday Party Look Who Showed Up to Bradley Cooper's Birthday Party January 6, 2014 by Maria Mercedes Lara View On One Page Photo 3 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Jason Bateman smiled while walking to Bradley's birthday party. Previous Next Start Slideshow Jason BatemanBradley CooperKate HudsonSuki WaterhouseCelebrity Couples