The couple recently went away to the US together, and now back on home turf, Andy has been spoiling his girl for her birthday.
He said in an Instagram post: "Happy birthday to my gorgeous bubblebut @robyn_kotze #keepitcrazy i can't wait to spoil you x."
Just last week he said Robyn, who is shopping editor at InStyle magazine, always keeps him "smiling".
And, even though he has left the E4 reality series, we're glad Andy's found romance, as he didn't have the best of luck on the show.
He even told us before the last series: "I'm trying my absolute hardest to find some romance so we'll see what happens. I'm definitely trying my best."
Andy went public about his romance with Robyn towards the end of July after posting a photo on Instagram, and he all but confirmed he was officially off the market when he shared a photo of the pair kissing in the back of a taxi.
Andy quit MIC in July after two and a half years on the reality show. His departure came as the gang headed out to Los Angeles to film the new spin-off series.
Explaining his reasons for leaving, Andy cited his lifestyle brand Jam Industries, and his singing-songwriting career as projects he'd like to dedicate more time to.
He said in a blog post: "In two and a half years I have fallen in and out of love, become friends with enemies, watched drinks thrown, withstood numerous awkward silences and sipped what must be thousands of glasses of champagne and bloody Mary's, all of which I intend to continue. Unfortunately I will no longer be doing this in front of camera… For now!"
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