Lohan and Tarabasov met last summer; Tarabasov popped the question to the former child star in April. Soon after news broke of the pair's engagement, Lohan's father, Michael, gushed to ET about her relationship.
"I'm so happy that Lindsay has found true happiness," he said. "It's written all over both of them."
Just days ago, the couple seemed more in love than ever, as they frolicked around Greece, posting sweet snaps of each other on social media.