Sydney Sweeney wishes Glen Powell a happy birthday with an adorable photo of the costars... after THOSE wild on-set romance rumors

Sydney Sweeney sent her costar Glen Powell a sweet message via Instagram on Saturday. 'Happy birthday to my fellow camp counselor, adventure extraordinaire, and goof ball,' the 26-year-old Euphoria actress wrote to mark the Top Gun: Maverick hunk's 35th milestone. Sweet message: Sydney Sweeney sent her costar Glen Powell a sweet message via Instagram on Saturday Costars: 'Happy birthday to my fellow camp counselor, adventure extraordinaire, and goof ball,' the 26-year-old Euphoria actress wrote to mark the Top Gun: Maverick hunk's 35th milestone The rumors gained traction after Glen silently split with his model girlfriend Gigi Paris last April. Too cute: Along with the well-wishes, Sydney shared an adorable photo of the pair from the set of their upcoming film Anyone But You Chemistry: The obvious chemistry between the pair had recently fueled speculation of an on-set romance during filming of the romantic comedy Although the 6'0 heartthrob did break up with his girlfriend while filming Anyone But You, with Gigi even unfollowing the Madame Webb star, Sydney is still very much together with her fiancé, Jonathan Davino, 38.