David Beckham and Victoria Beckham had thoughtful words to share on their son's 13th birthday on Tuesday. First, David posted an adorable, black-and-white Instagram picture of himself kissing the top of Romeo's head, writing, "My little man turns 13 today .. Into his teens and still an Arsenal fan lol... Happy birthday beautiful boy." Meanwhile, Victoria shared a kissy picture of her own, saying, "Happy birthday baby boy. We r all so proud and love you so, so much." She also posted a snap of all three of their sons, writing, "My babies are getting so big!!!" Keep reading to see all the sweet pictures, then check out the cutest photos of Harper Beckham!