Bobbi Kristina, 19, has been dating Nick Gordon, 22 — who Whitney welcomed into her home nearly 10 years ago when he was dubbed her 'secret son' -- and the two were allegedly caught kissing outside a Target store in Georgia on Friday.
The couple kissed on the lips and held hands before jumping into a silver SUV, HollywoodLife.com reports.
"Yea we got a little closer and what!!!" Nick tweeted on Monday in what appears to be a response to the reports of him and Bobbi Kristina being an item.
"Good morning everyone. Their sic lots of fake people pretending to be MY Krissi. The real one is @REALbkBrown. Fakes need to get un followed."
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Bobbi Kristina hasn't been on Twitter since December, but when the two used to tweet back and forth, they'd refer to each other as 'baby sis' and 'brudder.'
However, those close to the family say they wouldn't be surprised if the two recently struck up a romantic relationship.