He’s the sexy young Brit who is tipped to replace, um, another sexy young Brit as the lead in the movie Fifty Shades of Grey.

At 31, Northern Irish actor Jamie Dornan is rumored to be the frontrunner to replace Charlie Hunnam after the Sons of Anarchy star’s shock departure from the steamy film.

Here are 10 things you didn’t know about the man who just may become Hollywood’s newest heartthrob…

1. He dated Keira Knightley

Jamie dated Pirates of the Caribbean star Keira Knightley from 2003 to 2005. The couple met on a photo shoot in Manhattan but managed to keep their romance under wraps for a whole year.

2. He was a Calvin Klein model

Jamie showed off his sexy torso in separate Calvin Klein campaigns with Kate Moss and Eva Mendes draped across his body. But in an interview with British newspaper The Evening Standard, the former model vowed: “I’m not going to take my shirt off every time I’m in front of a camera…

“People assume you’re stupid enough as it is. Then you take your shirt off and they’re like, ‘He must be an idiot’.”

3. His wife was ‘married’ to Colin Farrell

Before she was Mrs. Jamie Dornan, singer, songwriter and actress Amelia Warner, 31, was in a blink-and-you’ll-miss-it “marriage” to Irish actor Colin Farrell. The couple tied the knot in Bora Bora in July 2001 and split up a few months later. But in 2011 Amelia told British newspaper The Sun: “We didn’t