When it comes to celebrity couples, one can never tell just how long a celebrity pairing is going to last. In the long run, though, it's not necessarily the longevity of a relationship that matters to pop culture, it's how famous the pairing is. The '70s was a decidedly colorful decade, and the same can be said of the couples that proliferated during it. In some cases, the power of these pairings was so substantial that they're still remembered 50+ years after coming to a conclusion. Indeed, sometimes it only takes a single photo op to turn a twosome into a couple for the ages, no matter how their relationship ultimately turned out to be. Here are the 10 most iconic couples of the '70s.

Raquel Welch and Joe Namath

When one of the most famous football players in America starts going out w

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