Popsugar Celebrity Celebrity Friendships Ed Sheeran Singing Happy Birthday to Bruno Mars Ed Sheeran Serenaded Bruno Mars on His Birthday, and I'm Totally Shipping This New Bromance 9 October 2018 by Morgane Le Caer View On One Page Photo 3 of 3 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Bruno Mars (@brunomars) on Feb 15, 2016 at 8:01pm PST Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow Celebrity FriendshipsEd SheeranCelebrity InstagramsBruno Mars