They were recently spotted flirting at a raucous party in Ibiza.
And Caroline Flack, 39, cheekily reminded 2018 Islander, Wes Nelson, 21, of their cosy meet up as she quickly brought it up during ITV2's Aftersun on Sunday night.
The Love Island host left the former engineer looking red-faced as she discussed their Ibiza holiday, in front of Wes' ex, Lisa Roddy, who sat in the studio audience.
Party pals: Caroline Flack, 39, cheekily reminded 2018 Islander, Wes Nelson, 21, of theirwild Ibiza weekend as she quickly brought it up during ITV2's Aftersun on Sunday night
Caroline introduced the spin-off show, before directly addressing the situation. She confessed: 'I saw Wes in Ibiza at the weekend.'
Embarrassed Wes was then seen nervously shaking his head and blushing as he replied sheepishly: 'Don't do that.'
Caroline went on to ask Wes how his holiday was, to which he quipped back: 'A bit messy. You was the same as well.'
The glamorous presenter ended the conversation by saying: 'I was fine, thanks.'
Blushing: The Love Island host left the former engineer looking red-faced as she discussed their Ibiza holiday, in front of Wes' ex, Lisa Roddy, who sat in the studio audience
Eagle-eyed viewers watching Aftersun quickly took to Twitter to point out what made Caroline and Wes' on-screen flirting even more awkward.
The Love Island runner up was being watched by his ex-girlfriend, Lisa Roddy, who sat in the studio audience to speak about her friend on the current show, Molly-Mae Hague.
One user tweeted: 'Imagine sitting in the audience on Aftersun to talk about your mate Molly-Mae and your EX BOYFRIEND (Wes) is on the panel with a girl he was caught with 2 days ago in
