Jamie linden and rachel mcadams baby pictures

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Rachel McAdams has been a Hollywood fixture ever since she played the highly-quotable Regina George in 2004 teen classic "Mean Girls," appearing in box office hits "The Notebook," "Wedding Crashers" and "Doctor Strange," bagging a Best Supporting Actress Oscar nomination for her performance in "Spotlight" and even gracing the Eurovision Song Contest stage (well, kinda) in Netflix's pitch-perfect spoof "The Story of Fire Saga."

But we essentially know as much about her private life now as we did back in the mid-'00s.

Yes, the Canadian is famously tight-lipped when it comes to affairs of the heart. She even managed to keep the tabloids at bay while dating fellow A-listers Ryan Gosling and Michael Sheen, both of whom were also former co-stars.

But McAdams has undoubtedly been the most secretive about her current beau, screenwriter Jamie Linden.

In fact, the actor hasn't even mentioned his nam