Jenny McCarthy is dating Donnie Wahlberg.

The bubbly blonde, who previously dated Jim Carrey, recently began a relationship with the New Kids On The Block singer, 43, after meeting him on the set of her VHI chat show The Jenny McCarthy Show in March. "Yes, they recently started dating and are having a lot of fun. They had a blast 4th of July hanging out with a bunch of their friends," a source said.

Sparks flew between the couple, who frequently send each other public messages on Twitter, on Jenny's show when the 40-year-old presenter asked him, "Do you talk dirty while you're having sex," and he replied, "I do." Jenny admitted she was turned on by the interview in a blog post for the Chicago Splash, writing, "Let's just say we visually give 50 Shades of Grey a run for its money. It gets steamy. I mean like really steamy. Being turned on by a guy is always fun but to have it legitimately happen to you on TV is to be turned back into a 12-year-old. By the time we get into the ground-breaking interview, my face turns fifty shades of RED."