"How I Met Your Mother" ended its nine-season run last night . . . and some parts of the finale were filmed NINE YEARS ago!  Lyndsy Fonseca and David Henrie have grown a lot over the last few years, and producers wanted to have some generic scenes of them on hand so they wouldn't appear to age in the "flash-forwards."

Click here to see the full recap of the episode, with spoilers!

Photo by Frazer Harrison/Getty Images
Photo by Frazer Harrison/Getty Images
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