Heidi Montag and Spencer Pratt's Relationship Timeline

The Hills stars have been on and off for over 15 years and plenty has happened in that time. Here's a look at their dramatic relationship so far.

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Spencer Pratt

Heidi Montag and Spencer Pratt have been together for 17 years. Here's a timeline of their relationship.

Heidi Montag and Spencer Pratt's Relationship Timeline

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Heidi Montag and Spencer Pratt's Relationship Timeline

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