They certainly were very much together on Saturday night...
The two were in Las Vegas to celebrate Disick's 27th birthday. They checked into The Artisan Hotel on Saturday. Dinner with a few friends (no Kardashian family members joined them) at restaurant Mood included filet mignon, seabass, among other things. Hotel owner Stephen Siegel presented Disick with a birthday cake before they hit the Lounge club until the wee hours.
"They were very affectionate with each other throughout the evening," a source said.
Kourt and Scotty headed home on Sunday.
Also in Vegas this weekend was the ubiquitous Paris Hilton. A couple of nights before making out with Paul Iacono in Los Angeles, she was "the center of attention," says an onlooker, when she spent most of Friday night dancing and partying at Encore's XS nightclub in Sin City.
Back in Los Angeles, Pete Wentz celebrated is 31st birthday with wife Ashlee Simpson at the rocker's recently opened Angels and Kings bar. Crumbs bakery provided the red velvet cake and cupcakes for guests like Benji Madden from Good Charlotte and Panic! At the Disco's Spencer Smith and Brendon Urie.
—Additional reporting by Ashley Fultz
See where else we spotted the fabulous and famous in our Party Pics: Vegas photo gallery.