Jason Oppenheim gives 'Baby Bump' GF a kiss but it's not what it seems

At first glance, Jason Oppenheim's vacation photos with his model girlfriend make you think there's "Selling Sunset" baby news coming, but on closer inspection... they're just hot and horny!!!

Jason and Marie-Lou Nurk are cruising around Mykonos with fellow 'Sunset' star, and Jason's ex-GF, Mary Fitzgerald and her husband, Romain - and, for some reason, Jason decided to plant a few kisses directly on MLN belly.

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But, we're sure the universal sign for "we've got one in the oven" is misplaced here, as other shots show Marie-Lou vaping... and also, Jason later received a huge handful of her ass. Doesn't exactly give off maternal instincts or future parent vibes!

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What it gives is... that we like each other. Remember, the couple just made their public debut about a month ago in Hollywood at a Netflix event.

It is said that Marie-Lou will appear in the next season of "Sunset"... which can't be the least bit awkward, considering that JO now has 2 exes - Mary and Chrishell Stause - who work in his real estate office.

This office party is going to be