WHAT TO WATCH: Bruno Mars ‘Hires’ Ed Sheeran to Sing To Him, Shawn Mendes Does Classroom Instrument Cover of ‘Treat You Better’“You know you’ve made it when you can hire Ed Sheeran to sing you Happy Birthday #ExtraForever! #HappyBrunoMarsDay!” Bruno Mars shared a video on Instagram of Ed Sheeran singing him Happy Birthday. As the song came to an end, Mars demanded Sheeran start over, which he did without any objections. View this post on Instagram You know you’ve made it when you can hire Ed Sheeran to sing you Happy Birthday. 🍾🥂 #ExtraForever! #HappyBrunoMarsDay! A post shared by Bruno Mars (@brunomars) on Oct 8, 2018 at 5:02pm PDT Shawn Mendes “Treat You Better” got the Jimmy Fallon treatment Monday night when they sang it together along with The Roots using classroom instruments.