AceShowbiz -

Nick Cannon sparks new dating rumors with TLC's Chilli a.k.a. Rozonda Thomas. According to a source, the estranged husband of Mariah Carey and the "No Scrubs" singer, who is 10 years his senior, are "hanging out romantically."

"Nick and Chilli [have] been hanging out on the low," the source tells E! News, "[They've] been friends for some time and just recently this summer they have been hanging out romantically." According to the source, the two work well together because they're both in the music industry.

"Chilli is a very mature woman that's been around the music industry for sometime and gets it," adds the source, "Nick has always had a crush on her growing up. He thinks she is beautiful. He has a thing for older women."

The source, however, says Nick and Chilli aren't too serious just yet. "They are not an exclusive couple at this time just causally hanging out and seeing where things go," the source explains.

According to New York Daily News' Confidenti@l, Nick and Chilli were spotted cuddling up and even making out at WDKX's Summerfest Concert in Rochester on Saturday, July 9. Her band TLC was headlining the show.

An insider claimed Nick joined Chilli before and after her performance. "He watched Chilli intensely and lovingly as the group performed, then couldn't keep his hands off her backstage," revealed the insider, "They are definitely together!"

The insider added, "It looked serious. They were hugged-up and kissing."

Reps for Nick and Chilli haven't commented on the dating reports yet.