The couple also attended the UFC 264 fight during their stay in Sin City.
Kourtney Kardashian and Travis Barker are all smiles while out in Sin City!
On Monday, the 45-year-old musician took to Instagram to share photos of himself with his girlfriend as they happily held hands and ran down the hallways of the Wynn in Las Vegas.
For their date night, Barker wore a white tank with a leather jacket and finished the look with a black beanie and a metallic skull necklace. Kardashian, on the other hand, rocked a a silver metal mesh halter top with a cowl neckline and a black mini skirt.
The Blink-182 drummer captioned the shots with two vampire emojis.
During their stay in Vegas, Kardashian and Barker also attended the UFC 264 fight and packed on their signature PDA for everyone to see. They shared a steamy French kiss in front of attendants and fans watching from home when a camera panned to the couple enjoying the night's celebrations from their seats.
Kardashian and Barker have been very open about their feelings for each other since going public with their relationship on Valentine's Day, with the drummer tattooing the Poosh founder's name on his chest and the pair packing on the PDA during a romantic trip to Utah.
Recently, the couple took another romantic trip — see the photos here!