Bruno Mars 'Hired' Ed Sheeran for His Birthday

Bruno Mars <br />'Hired' Ed Sheeran <br />for His Birthday Mars celebrated his 33rd birthday backstage while on the road for <br />his '24K Magic Tour.' The "Finesse" singer took to Twitter <br />to share a clip of Ed Sheeran <br />singing 'Happy Birthday' to him. After Sheeran was through, <br />Mars playfully ordered him to <br />continue singing 'Happy Birthday.' Mars' fans and celebrity friends <br />also took to Twitter to wish the now-33-year-old a special day.