The 25-year-old reality star took to the social media site to share a few pics where he's looking very cozy with his rumored gal, albeit confirming that they are indeed a couple.
"Boo @ritaora," he tweeted with a sweet shot of the pair where Rob is kissing Rita on the cheek.
"Moms @ritaora," Rob posted just one minute later along with a black-and-white image of the couple looking blissfully happy and hipster together.
Rob and Rita have been open about their close friendship, but they have yet to confirm they are a couple.
In August, the R&B star told Glamour magazine that "Rob's family make their lives public. Me? I'm very private. He's a great friend. But the only relationship I'm having now is with the tour bus."
The Keeping Up With the Kardashians star also denied a romance, telling Ryan Seacrest, "I'm just a fan. That's all. I'm a big fan."
Whatever you say, you two.
What do you think of the coy couple? Tell us your thoughts in the comments!