Supermodel and proud mama Gisele Bündchen wished her son a happy sixth birthday on Instagram today. She shared an adorable photo of her son with Tom Brady, Benjamin Rein. "Happy birthday my sweet Benny," she captioned the photo, “I love you so much #love." (She also included the message in Portugese.) The picture shows Benjamin with his arm around his Brazilian mom, 35. The pair is surrounded by what looks like an evergreen forrest. So sweet!