The pair, who have frequently tweeted at one another via social media, are officially an item, the source confirms."Yes, they recently started dating and are having a lot of fun," another pal tells Us.

Wahlberg, 43, appeared as a guest on Mc Carthy's talk show, , earlier this year in March, and the pair got cheeky discussing a wide range of topics, including what kind of pillow talk the boy bander is into.

PHOTOS: Rebound romances "Do you talk dirty when you're having sex?

" the 40-year-old talk show host asked Wahlberg, to which he chuckled and admitted, "I do." "You do?

22, and future episodes may feature Donnie Wahlberg's famous girlfriend, Jenny Mc Carthy.

The new show follows the Wahlberg brothers--Donnie, Mark and Paul-- as they discuss expanding their Hingham, Mass. The premiere episode showed Mark, 42, Donnie, 44, and older brother Paul looking over old family photographs with their mother, Alma, as they talked about expanding the restaurant, both locally and internationally.

Mark, who has grown from being the teenage, shirtless rap artist Marky Mark to a respected actor and producer, pushed for the international expansion, while his brothers were a little more hesitant.

The episode also featured Donnie, formerly of New Kids on the Block, talking to Paul about a burger that was named after him, called the Donnie Double D. "My perfect burger is definitely available at Wahlburgers-I think it's yet to be invented though," he added. It's a Donnie burger smushed up with a Jenny burger!

The actor seemed unpleased about the name, and even asked his brother to change it, saying, "I like boobs as much as the next guy, but I don't want it to be the name of my burger." However, though Donnie wasn't pleased with the burger that was named after him, his girlfriend, "She's getting a lot of stamps of approval, as she should. " Both the Donnie Double D burger (featuring 2 1/3 lb. (Originally from Dorchester), the Jolly Wahly Burger, Fall Brew, Dixieland Burger, Gronk burger, Chili Cheese Burger, and the Better than Breakfast burger, though none have notes which dedicate them to members of the Wahlberg clan.

burger patties, white cheddar cheese, bacon, avocado, fresh jalapenos and BBQ sauce) and Jenny's Chicago Dog (an ode to Mc Carthy's hometown of Chicago, Ill.