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From Kim K and Nick Lachey to Kate Hudson and A-Rod — Check Out Which Celebrity Couples You Forgot Dated

People always say Hollywood is a lot like high school, and when you see how many celebrities have dated each other throughout the years, you start to realize how true that is. From Kim Kardashian and Nick Lachey to Britney Spears and Colin Farrell (wait, what?!) — it’s no surprise we have a hard time keeping up. Click through the gallery to see celebrity couples you forgot used to date.