She bumped into him while on a boozy night out in Hertfordshire with her mates.
Sunday Girl, real name Jade Williams, said: "It was very random.
"We were out drinking near the X factor contestants' house and we bumped into Johnny and his two massive minders.
"He was very sweet but we went into one bar and he said it was too posh for him.
"It was hilarious."
The Camp Factor ... Johnny RobinsonRex/ITV