Popsugar Celebrity Mikey Foster Are Ariana Grande and Mikey Foster Dating? Are Ariana Grande and Mikey Foster Dating? Apparently So 5 September 2019 by Monica Sisavat Solís View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow View this post on Instagram 🏹🖤 #boyfriendoutnow A post shared by Ariana Grande (@arianagrande) on Aug 3, 2019 at 5:13pm PDT Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow Mikey FosterAriana GrandeCelebrity Couples