Songstress Kelly Rowland performed in a New Jersey club over the weekend. She had a messy wardrobe malfunction and gave everyone a peek-a-boo of a double nip slip.

Rowland claims it was not intentional and to be super-embarrassed by the whole thing.

Check out the video where TMZ caught up with Kelly:

[youtube:http://youtu.be/EKS_7xlawyo]