Popsugar Celebrity Celebrity Instagrams Beyoncé and JAY-Z at Niece's Birthday Party 2019 Pictures Beyoncé and JAY-Z Party It Up With Loved Ones at Their Niece's 21st Birthday Bash 29 July 2019 by Brea Cubit First Published: 28 July 2019 View On One Page Photo 2 of 6 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Beyoncé (@beyonce) on Jul 27, 2019 at 11:11pm PDT Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow Celebrity InstagramsCelebrity CouplesJay ZBeyoncé Knowles