Longest celebrity relationships (51 images)

Here's a collection of celebrity relationships that stood the test of time.

Maggie Gyllenhaal (R) and then boyfriend Peter Sarsgaard arrive for the premiere of her new movie "Trust The Man" in New York City on August 7, 2006. Gyllenhaal and Sarsgaard got married on May 2, 2009. File Photo by Laura Cavanaugh/UPI | License Photo
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