Hot and heavy! Scott Disick and girlfriend Sofia Richie were “all over each other” during a launch event for her collection with denim company Rolla’s, an eyewitness exclusively tells Life & Style. “She lights him up immediately and vice versa,” adds the insider.

The couple packed on the PDA during the February 20 Rolla’s x Sofia Richie launch at Harriet’s Rooftop in West Hollywood. They were “cuddling” while standing at a table talking to some pals, adds the eyewitness. “He’s got his arms around her waist, and they’re kissing and really into each other.”

Scott Disick Kisses Girlfriend Sofia Richie in Instagram Photo
Courtesy of Sofia Richie Instagram

In addition to sharing some laughs and “butt smacks,” the Keeping Up With the Kardashians star, 36, and the 21-year-old posed for some “sexy photos” in the photo booth.

The model was later seen sitting on her beau’s lap as he puffed on a vape pen. “They snuggled up,” notes the insider. “She had her arm around his neck and her face against his.”

The normally low-key pair took their love to social media, as well. Sofia shared a snapshot of the two locking lips and wrote, “My love.” Artist Alec Monopoly also documented the A-listers cozying up all around the party. “Look at those two,” the Miami-based painter swooned on his Instagram Story while Sofia and Scott posed for a photo.

The daughter of Lionel Richie and her beau seem to be in a solid spot right now, but she is stepping away from filming KUWTK to “get into acting,” she divulged earlier this month.

“I feel like, for a while, I kind of held back on things because I was afraid of failure, but 2020 is [the year of] no fear! I’m gonna be doing acting stuff really soon,” the blonde beauty told at the opening of the Marcell Von Berlin flagship store in Los Angeles on February 4.

Sofia has “big things” on the horizon and is already working on sharpening her acting chops. “The roles I’m reading for right now are kind of similar to me, so they’re easy for me to play, and I really, really enjoy it,” she added.

Keep moving up, girl!