Olivier Sarkozy and Mary-Kate Olsen, on April 25
05/31/2012 AT 11:45 AM EDT
is doing her part for Franco-American relations, reportedly having found a new boyfriend in Olivier Sarkozy – the half brother of former French president Nicolas Sarkozy.
The actress, 25, who split with her previous beau,
artist Nate Lowman, more than two years ago, has been spotted with Sarkozy, 42, several times over the past few months – including at a New York Knicks game on April 25.
Sarkozy, who is managing director of global asset management firm the Carlyle Group, previous dated poet and actress Stella Schnabel – the daughter of artist Julian Schnabel.
Olsen and Sarkozy spent time in the Hamptons together over Memorial Day weekend and are "head over heels" for one another, according to a report in the New York Post
Reps for Olsen had no comment.