It’s official: J-LO may regret her Italy concert appearance more than showing off her ta-tas in the 1995 trainwreck, Money Train.

Jennifer Lopez definitely created a stir while performing a rigorous dance routine for the song “Waiting For Tonight” at the Unipol Arena in Bologna when she accidentally exposed her nipple to thousands of fans in the audience.

However, like a true professional, she refused to let the nip slip ruin her show and she quickly pulled up her top and continued to strut her stuff on stage!

Click after the jump for an uncensored photo!

Thoughts? Let us know in the comment section below!