The 36-year-old actress, who celebrated her birthday on Saturday, posted a photo with Bader Shammas, a financier, calling him her husband.
“I am the luckiest woman in the world. You found me and you knew I wanted to find happiness and grace, all at the same time. I am amazed that you are my husband,” she wrote. .
The couple announced their engagement in November.
“My love. My life. My family. My future,” Lohan wrote in a post, tagging Shammas, at the time.
Lohan is best known for her starring roles in the hit remakes of “The Parent Trap” and “Freaky Friday,” as well as the 2004 teen comedy “Mean Girls.”
“My life and everything to me. ❤️every woman should feel like this every day,” Lohan concluded on Saturday.