Celebrity relationships are usually doomed from the start, it seems. With all those movies and television shows to film - and all those opportunities to misbehave - it must be rough to keep a steady schedule, much less a steady relationship.

Here are some celebrity couples who we wish were still together. Many of them today are in relationships (happy ones, we hope) with other people, and we wish their new partners no disrespect. Still, we can't help but take a look down memory lane and wonder what might have been.

Click through for famous former celebrity couples. Who do you wish had stayed together?

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Ryan Gosling and Rachel McAdams
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Drew Barrymore and Justin Long
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