Kayikunmi and Isabella, the BBNaija Ten Over Ten housemates, sparked a buzz on social media following their make-out after the Saturday night party.
They later retreated to the bedroom, where things got more intense as Kayikunmi was seen kissing her breasts first through her top, then more directly after she lifted it.
The video has sparked a wave of reactions on social media, with some users criticising the pair for conduct.
Former BBNaija star Pere also described Nigerians as too emotional and judgmental for true reality TV.
“I said it before, I’d say it again, Nigerians think they’re ready for reality tv. Truth is they’re not,” he wrote.
“When you’re all judging wrongly and slutshaming a woman for showing her boobs on a show that’s rated 18+ on national television?”
The BBNaija Season 10 kicked off on July 28 with a two-day opening ceremony.
This year’s winner will take home a staggering N150 million, the highest grand prize in the show’s history since its debut in 2006.