EXCLUSIVE! Harry Styles is dating Kimberly Stewart. He's 19, she's 33.

Harry Styles has a new flame—and he's already met her family!

The 19-year-old One Direction heartthrob recently started dating 33-year-old Kimberly Stewart, a source exclusively confirms to E! News, noting that both are "very happy."

"They were introduced by a mutual friend who set them up," the insider says. 'Kim is very strong willed, she goes for what she wants and Harry appreciates that. It is a very new thing and we'll see where it goes."

Moreover, "she is exactly his type," the source adds.

And Kim apparently had no qualms about introducing her new fellow to the fam: She and Harry dined last night at Dan Tana's in West Hollywood with her dad and stepmom,Rod Stewart and Penny Lancaster; her brother, Sean, and his on-again flame,Adrienne Maloof.

"Kim and Harry sat next to one another" and he was "very cuddly with her," an eyewitness tells E! News. "He had his arm around her." The lad was also seen talking to Kim's pop-icon father for a while as well. 

Sitting this family gathering out, meanwhile, was Kim's 1 1/2-year-old daughter, Delilah, whose dad is Benicio del Toro.

A rep for One Direction had no comment; a rep Stewart has not yet responded to a request for comment.

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