Gary Barlow delighted fans with an adorable snap of his wife Dawn as she celebrated her 52nd birthday on Thursday.MORE: Gary Barlow shares intimate glimpse inside 22nd anniversary celebrationsTaking to his Instagram, the Back for Good singer shared a loved-up picture of the couple lounging on a giant pink flamingo pool float during their summer getaway.WATCH: Gary Barlow reveals surprising secret to healthy shakes following weight lossBeaming for the cameras, the duo appeared in high spirits as they spent some quality time relaxing in each other's company.READ: Gary Barlow and wife Dawn's big family change involving daughter Emily revealedMORE: Gary Barlow and wife Dawn look picture perfect in rare holiday photosGary captioned the post: "Happy Birthday Mrs. B! Still having fun after all these years – here’s to a wonderful day", followed by two red heart emojis.