Singer Enrique Iglesias has been dating retired pro tennis star Anna Kournikova for more than 11 years, so why haven't they gotten hitched yet?

According to an Us Magazine report, Iglesias doesn't feel marriage is necessary to be committed to your partner.

"I've never really thought marriage would make a difference. Maybe it's because I come from divorced parents, but I don't think you love someone more because of a piece of paper," Iglesias told Parade.