The couple has been dating for over a year and recently they took a trip to Mexico with the mother of his three kids, Kourtney Kardashian.
The couple were all smiles as they hit-up Sugar Factory American Brasserie At Fashion ShowIn Las Vegas.
The pair has been traveling a lot recently and their latest stop came in Sin City.
Both of them have been in Mexico and Colorado in recent weeks and they were happy to drop into one of Scott's favorite restaurants in Las Vegas.
The staff laid on some very special sparklers for them to enjoy before they tucked into their food at the popular spot.
For more details on their Vegas trip click through the photographs.
Richie, 20, wore a pair of blue jeans and a simple white t-shirt as she kept things simple for their date.
Disick, 35, wore jeans and a sweater for the night out with shorn hair and a beard.
Both were all smiles as they posed with a confectionery creation, a milkshake topped with a variety of candy.
Over the holidays they spent time with Kourtney Kardashian with whom he shares daughter Penelope Scotland, 6, and sons Mason, Dash, 9, and Reign Aston, 4, in Mexico.
Disick and Richie also celebrated the New Year by visiting Aspen in Colorado.
Khloe Kardashian praised them and her sister for all trying to get along with one another and for putting the kids first.
According to sources Richie loves being around Scott's kids and was happy with the arrangement.
We pay for juicy info! Do you have a story for RadarOnline.com? Email us at firstname.lastname@example.org, or call us at (866) ON-RADAR (667-2327) any time, day or night.