A new storyline for the pair kicks off at Christian and Syed's stag party later this month, as Fatboy begins to see Denise (Diane Parish) in a completely different light.
When Denise catches Fatboy's eye at the celebration, he cannot resist flirting with her. At first Denise doesn't really notice, but she is grateful when Fatboy comes to her rescue after a group of lads start hassling her.
Later, Fatboy (Ricky Norwood) walks Denise home and sparks fly between the unlikely duo, leading them to spend the night together.
Denise is adamant that it cannot happen again when they wake up together the next morning, but during Christian and Syed's wedding, Fatboy doesn't give up and he continues to pursue his new love interest.
As seen in our picture above, against her better judgement, Denise responds to Fatboy's advances for a second time...
EastEnders airs these scenes on Thursday, October 18 at 7.30pm on BBC One.