30 years since Beverly Hills, 90210 hit our screens for the very first time.But there was one star missing from the celebrations and the reminiscing – Luke Perry.The actor who famously starred as Dylan McKay in the teen drama passed away at the age of 52 on March 4, 2019, after suffering a stroke.And his 90210 co-stars took to social media over the weekend to pay tribute to the late actor who would have turned 54 on Sunday.‘Happy Birthday brother!! Love You ❤️,’ Brian Austin Green wrote on