Kelly Rowland had a double nip slip during a performance Sunday in West Orange

Kelly Rowland had a double nip slip during a performance Sunday in West Orange, NJ. The 30-year-old former Destiny's Child member was wearing a revealing, bra-like top that rode up during her performance.Despite inadvertently revealing herself, the singer, who will be a judge on this season's X-Factor in the UK, seemed in good spirits."New Jersey crowd was amazing," she tweeted Sunday. "Hope you