At a time when Hollywood relationships last an average of four years, it's a cause for celebration when famous couples pull through. Especially when it provides us with these amazing throwback photos to smile at:
CORRECTION: A photo of David Bowie and Iman was previously mislabeled as being taken in 1976 in the above gallery. The picture was actually taken 1999.
More:Celebrity Relationships Long Term Hollywood Marriages Lasting Celebrity Couples Long Term Celebrity Marriages Celebrity Marriages
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more