Only weeks after the overdose death of her secret boyfriend, Heath Ledger, Mary-Kate Olsen has moved on to another troubled drug abuser: Italian playboy Lapo Elkann, who — with his wild hair, eccentric fashion sense and party lifestyle — strikes an eerie resemblance to the late Brokeback Mountain star.

While in Paris for Fashion Week, MK flirted with Lapo, the heir to the $7.3 billion Fiat auto dynasty, who overdosed on cocaine and heroin at the home of a transsexual in 2005. Lapo, who now claims he has found sobriety through AA meetings in NYC, clung to life for three days in a coma before recovering.

“Mary-Kate and Lapo seemed very cozy” while sitting next to each other at the Giambattista Valli fashion show on Feb. 28, says a source. “Lapo’s a good-looking guy, and Mary-Kate seemed to love the attention she was getting from him.”

MK, 21, and Lapo, 30, are certainly no strangers to each other. They have been linked many times together on the international party circuit. “Perhaps, this time in Paris, they’ll strike up a romance,” says the source.

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