Happy Birthday, Patrick Dempsey!

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The undisputed leading man of Grey's Anatomy, Patrick Dempsey, turns 43 today. Happy birthday, Patrick! The Maine native first rose to fame so long ago, many Grey's Anatomy fans probably aren't even familiar with what the star used to look like:

Young Patrick Dempsey

Hey, it was the late 1980s. We forgive McDreamy for the hair. While he was always a successful working actor, his second turn at stardom came early in 2005 when Derek Shepherd woke up in Meredith Grey's bed in the Grey's Anatomy pilot.

What a great ride it's been since.

Here's a little photo gallery of Patrick in honor of his big day. Click to enlarge!

Hunkiest TV Star Ever!
Patrick Dempsey Rides
What a McDreamy Individual
Too Sexy
A Pair of Stars
Young Pat
Senor Suave
Cover of E-Dubs
A Patrick Portrait
Race Car Drivin'
A Young Stud
Patrick & Jillian Dempsey at the Emmys
Sad Shepherd
Patrick & Jillian Dempsey
Patrick: Life Cover
It's Twins!
Patrick Dempsey Versace Ad
Jillian and Patrick Dempsey
Man of the Hour
Old Friends Again?
Hotness
Best Looks Ever
And Some MerDer Love Too
So, Come Here Often?

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.

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Grey's Anatomy Quotes

Arizona: Oh my God! I mean, I understand why you're into her. She's hot. Wait, she likes you?
Nathan: What? I mean, I'm going to try not to be offended at that.
Arizona: No, no, no. It's just that Derek was, Derek was epic for her. They were the great love story. I mean, that girl's heart beat for Derek Shepherd. It just, it never occurred to me that she would ever be with anyone else. He was perfect. He was everything. That man turned her world. It, I spooked you. Don't be spooked.

MEREDITH: "You don't get to call me a whore. When I met you, I thought I had found the person that I was going to spend the rest of my life with. I was done! All the boys and all the bars and all the obvious daddy issues, who cares? I was done. You left me. You chose Addison. I'm all glued back together now. I make no apologies for how I chose to repair what you broke. You don't get to call me a whore."
DEREK: "This thing with us is finished. It's over."
MEREDITH: "Finally."
DEREK: "Yeah, it's done."
MEREDITH: "It is done."