Longest celebrity relationships (51 images)

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

Freddie Prinze Jr. (L) and his wife Sarah Michelle Gellar, cast members in "Scooby-Doo 2: Monsters Unleashed," pose during the premiere of the film on March 20, 2004, in Los Angeles. Gellar and Prinze got married in 2002. File Photo by Peter Banks/UPI | License Photo
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