Leonardo DiCaprio may probably feel like he is the "king of the world" right now.

Leonardo is rumored to become a dad.

The 32-year-old actor and his Israeli model girlfriend Bar Rafaeli, 21, are reportedly expecting their first child together this fall.

Friends of the couple - who have been dating for 15-months - claim the pair are absolutely "delighted" with the news.

Leo reportedly felt the fatherhood urge after his friend, "Spider-Man" star Tobey Maguire celebrated the birth of his first child last November.

A source told Britain's Daily Mirror newspaper: "He dotes on Tobey's little girl Ruby and has been asking him all about what it's like to being a dad."

The couple's happy news comes shortly after reports Leo proposed to Bar, followed by a secret engagement party in Tel Aviv.

It is believed Leo and Bar will marry in a private ceremony in Israel followed by a larger celebration in the U.S. later in the year. Leo has already contacted a number of exclusive venues in Israel, including the five-star Dan Accadia Herzliya Hotel and the plush King David Hotel.

"The Departed" actor started romancing Bar shortly after he split from supermodel Gisele Bundchen.

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