Wishing you a happy birthday, Michael. 50 years of life and a legacy that will last forever. What an honour it is to say that I have raced with you. You’ve always been a true inspiration to me and the entire world. Keep fighting, Champ 🙏🏾- LH pic.twitter.com/dmx4mLZVfj

— Lewis Hamilton (@LewisHamilton) January 3, 2019