“To my sincere love… out of nowhere you made the best year of my life with 45 hands. And I’m sure it took me 45 years to become the man worthy of your love. these birthdays to you side until my last day. And after. Forever and ever yours (and yes, we are married),” he wrote, adding multiple heart emojis.
The couple’s celebrities took to the comments section to wish them well.
“Mazel Tov!!!!!!” wrote Bravo’s Andy Cohen.
Lady Gaga wrote: “I love you both!!! Congratulations.”
Liv Tyler wrote: Wow!!! congrats both!!!!!! add heart emojis.
Designer Zac Posen added a row of heart emojis.
Ronson and Gummer were engaged last May and made their debut as a couple at a Gucci event in July.