Longest celebrity relationships (51 images)

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

Neil Patrick Harris (R) and David Burtka arrive for the American Theatre Wing's Antoinette Perry Tony Awards at Radio City Music Hall in New York on June 7, 2009. Harris and Burtka started dating in 2004 and got married in 2014. File Photo by Laura Cavanaugh/UPI | License Photo
0 of 0