The Hunger Games star also took to Instagram to share a handful of gorgeous pics from their wedding and write a special note for his lovely lady.
"Happy Anniversary My LOVE. It's been 3 years today!! I'm truly the LUCKIEST MAN alive!! I look forward to spending everyday with you for the rest of my life! Thank you for all the love you have given me! I love you so so much ♥️♥️♥️♥️🌹🌹🌹🌹🌹," he captioned a stunning snap.