Reggaeton star Don Omar discovered working on your 30th birthday has huge benefits when his fiancée and mother joined him onstage in New York on Saturday (Feb 9th, 2008). The singer was performing at Madison Square Garden when TV presenter Jackie Guerrido and his mother surprised him with a birthday cake. The stunned star looked surprised and happy as his mum and wife-to-be led the audience in a chorus of Happy Birthday.