iS THERE ANY CONTESTS THAT i COULD SIGN UP TO WIN JUSITN BIEBER show, concerto TICKETS FOR HIS SHOW IN COLUMBUS ON AUGUST 14TH?

My daughters dream is to go and see Justin Beiber and I don't have the money to take her. She is a Great kids that helps everyone. She helps take care of her sick great grandmother, helps take care of her cousin, and goes whatever I ask of her without complaint. I really wish I could win tickets so she could have something that she really wants. Her dream would be to have him sing happy birthday to her. Can anyone help me make her dream come true? If so please email me at shawntee@dkiempire.com
Thank you in advance for your help it really means alot.