Ricky Martin welcomed twin boys, Valentino and Matteo, via surrogate in 2008. Since then, the proud father has taken to Instagram to share a collection of adorable family moments — and we cannot get enough! Whether they're relaxing on the beach, taking selfies, or just being plain silly, the family always looks like they're having fun. In July 2015, Ricky celebrated Father's Day by writing a letter to his sons. In the note, the singer expressed how incredibly grateful, honored and blessed" he is to be their father, adding, "My beautiful sons, your love gave me the strength to live an honest life." Keep reading to see their sweetest moments on Instagram, and then check out Ricky's hottest shirtless moments.