Sharing a clip with his 156,000 followers, the Spanish dancer filmed the couple as they danced along to the music.
However, Gemma Atkinson, 33, seemingly caught her man off guards and leaned in for a smooch on the lips.
Unaware of her intentions, the 33-year-old and the blonde actress struggled to get the right angle, but eventually she got the kiss she was hoping for.
Gorka then flashed a shocked expression at the camera in the fun clip, as he looked dapper in a black suit and bow-tie.
Gemma matched her beau in an asymmetric dress, which clung to her curves and featured ruched detailing throughout.
“Fab night at Sir Alex Ferguson’s charity. @laurahob_x @nat3891 @vicky_owens thank you @honorgold my dress was SO comfy,” she later commented online.
Sharing an image of herself, Gorka and her radio co-host Mike Toolan, she previously stated: “Set for Sir Alex Ferguson’s charity dinner. @miketoolan @gorka_marquez Thank you to @honorgold for my dress.”
Meanwhile, earlier in the day, the star had uploaded a cosy of snap of him and Gemma, which saw him place a protective arm around her.
Although, his caption didn’t get off to the best start: “How lucky is @glouiseatkinson having me watching her and @miketoolan hosting the sir @alexferguson_official charity gala dinner…”
Gorka luckily then added: “Sorry I mean I’m the lucky one,” after first going public with their relationship last month.
One of his followers added: “You’re both lucky to have each other!”
Gemma Atkinson had branded Gorka “rude” in a clip she posted from the event with her own 578,000 followers.
She said to the camera: “Here at Alex Ferguson’s charity dinner I’m hosting with Toolan, hence this microphone.
“Everyone say hi,” she said, before pulling a face and saying “rude” to Gorka who failed to acknowledge her.
Their evening out comes after Coral revealed there could soon be a wedding on the cards for the pair as the the odds of Gemma and Gorka getting married in 2018 were slashed from 2-1 to 6-4.