Getting Serious! Amelia Hamlin Joins BF Scott Disick & His Children For 'Family Dinner' In Miami

Talk about baby steps. Scott Disick and his young, model girlfriend, Amelia Hamlin, stepped out for dinner in Miami, FL, with the self proclaimed Lord's children.

The Keeping Up With the Kardashians star, 37, and daughter of Lisa Rinna and Harry Hamlin went to the Sugar Factory with Disick and ex Kourtney Kardashian's kids: Mason, 11, Penelope, 9, and Reign, 6, on Saturday, February 20.

They were “upbeat, laughing and enjoying the sugar rush,” an insider told UsWeekly of their outing. "They had so much fun and enjoyed a genuine family dinner.

"Scott and Amelia were super sweet and playful with all of the kids," they added. "After dinner Scott, Mason and Amelia were tickling Reign and Penelope and they were laughing."

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Disick — who now has pink hair after recently rocking a bleach- blonde new cut — and Hamlin were joined by a couple of pals, as the group enjoyed their dinner, which included: rainbow sliders, Chinese chicken salad, a club sandwich, campfire s’mores, milkshakes, and the Sugar Factory’s famous 24-scoop King Kong sundae.

After their two-hour long meal, Disick, Hamlin and the kiddos helped themselves to gummy bears, sour belts, Starbursts and Swedish fish at the restaurant, the source said, adding that the brunette beauty helped Penelope scoop the candy into a bag. "It was super cute."

The lovebirds' adorable outing with the kids came after they went Instagram official over Valentine's Day weekend, months after they were first spotted together in October.

On Saturday, February 13, Kardashian's baby daddy posted two photos with his new love to his Instagram Story. "Why so serious," Disick captioned the first photo of the two posing with serious faces.

In the second snap, Disick and Hamlin — who rang in the New Year together during their four-day getaway to Cabo San Lucas, Mexico —looked at the camera while laughing as he placed his arm around her chair. "Just kiddin," he wrote alongside the photo. 

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As OK! previously reported, Disick and Hamlin spent their loved-up weekend together in Miami — the young model was seen applying sunscreen to her handsome hunk's face while on the beach together. 

The two appear to be smitten with each other, as a source dished that the reality star and Hamlin are "absolutely blending their two lives together" — and even have the support of the Kardashian-Jenner famous family!

"The Kardashian-Jenner family is super supportive of Scott and Amelia’s relationship," the insider told UsWeekly last month. "They really like the two of them together and think Amelia is a great influence on Scott. Scott and Amelia are in a really good place. They have a lot of love and respect for each other and it shows."