Adam Brody/Hilary Duff
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Paul Fenton, KPA / ZUMA Press
Trail Begins:
Adam BrodyWe all wanted to kiss him as Seth Cohen on 'The O.C.' and it seems we weren't the only ones. From DJs to rock stars and socialites to starlets, check out who was swapping spit in this trail of smooches.
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Adam to Rachel Bilson
Adam Brody and Rachel Bilson were our favorite TV couple on 'The O.C.' but we loved them even more offscreen. We all shed a little tear when real-life Seth and Summer split last year.
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Dreamworks
Rachel to Zach Braff
In appropriately titled movie, 'The Last Kiss' Zach Braff and Rachel Bilson share some luscious lip locks. And maybe a little bit more. But we're not telling.
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John Shearer, WireImage.com
Zach to Mandy Moore
We loved Mandy Moore and Zach Braff when they were together. They had that funny-comic-gets-sexy-siren vibe going on.
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Scott Halleran, Getty Images
Mandy to DJ AM
Mandy and DJ AM were probably one of the weirdest couples to hit the streets of Tinsel Town. They might have felt the same way, being they didn't last for very long. Hope it was fun while it lasted!
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Jeff Vespa, WireImage.com
DJ AM to Nicole Richie
They seemed so in love. They were going to get married! What happened to DJ AM and Nicole Richie? We guess we'll never know.
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Thos Robinson, Getty Images
Nicole to Joel Madden
The latest rumors surrounding Nicole Richie and Joel Madden is that they are engaged and she's pregnant. While nothing has been confirmed, we're really scared. (But ohmigod, it's so cute their names rhyme.)
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Peter Kramer, Getty Images
Joel to Hilary Duff
Hilary Duff and Joel Madden seemed to break all relationship barriers- age, stereotyping, and even music genres. But alas, they didn't last. Another Hollywood love story down the tubes.
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ZUMA Press
End of Trail: Adam to Hilary
What a wild ride that was! We can't decide if it's really cool or really gross that technically, Hilary and Adam have shared saliva. Well, when you put it that way ...
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