Mary-Kate Olsen is engaged to marry her MUCH OLDER boyfriend

Mary-Kate Olsen is engaged to marry her MUCH OLDER boyfriend of nearly two years, French banker Olivier Sarkozy, sources confirm exclusively to Us Weekly.

Olsen, 27, and Sarkozy, 44 –half-brother of former French president Nicolas Sarkozy — first stepped out together in 2012. Since then, they’ve been a frequent presence at basketball games in New York City, where they live together in a $6.25 million townhouse.