The actress, 29, and the 22-year-old Russian heir have been seeing each other for four months now, reported TMZ.
Lohan apparently met Egor in London through a mutual friend and they have gotten pretty serious about each other.
Sources said that Egor came to NYC with Lohan over the X'mas holidays to meet her mom Dina Lohan and her family.
The businessman reportedly has the Lohan family stamp of approval as the family thinks he keeps LiLo out of trouble.
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Lohan shared on Instagram some pictures of her and Egor in late February.
"Such a wonderful day," she captioned a picture of them sitting outdoor with a snowy mountain background. In another photo, the pair were cozying up to each other at a party.
Earlier this week, the actress posted a photo of Egor baring his abs along with caption, "I love him.