Brian Austin Green and his fiancée Sharna Burgess look so in love 💕 The Dancing with the Stars pro, 41, shared the sweetest video of the pair in celebration of Brian's 53rd birthday, the former 90210 star trying out his first fit check ☺️ "Happy birthday to my adventure buddy, best friend, giggle partner, my sounding board, the most incredible father, my DIY master, my biggest fan and my love," Sharna wrote 💖 The pair have been engaged since 2023 and share 4-year-old son Zane together. 📽️ : #SharnaBurgess #Birthday #FitCheck