Before Twilight, we knew stars like Robert Pattinson and Taylor Lautner from Harry Potter and The Adventures of Sharkboy and Lavagirl – but did you know those weren't even their first movie roles?
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Click through the gallery to see the Twilight stars in some of their very first acting roles vs. now.
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Robert Pattinson as Giselher in Curse of the Ring.
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Kristen Stewart as Sam Jennings in The Safety of Objects.
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Taylor Lautner as a boy on the beach in Summerland.
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Jackson Rathbone as Connor in Pray for Morning.
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Michael Welch as Young Niles in Frasier.
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Anna Kendrick as Fritzi Wagner in Camp.
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Nikki Reed as Evie Zamora in Thirteen.
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Ashley Greene as Ann Rappaport in Crossing Jordan.
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Cam Gigandet as Mark Young in CSI: Crime Scene Investigation.
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Edi Gathegi as Haitian Cabbie in Crank.
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Justin Chon as Rong in Fleetwood.
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Billy Burke as James Bird in To Cross the Rubicon.
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Christian Serratos as Heather Perez in Cow Belles.
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Elizabeth Reaser as Malissa Zubach in Mind the Gap.
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Rachelle Lefevre as Stacey Hanson in Big Wolf on Campus.
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Peter Facinelli as Lucifer in Angela.
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Kellan Lutz as Alex Hopper in CSI: NY.
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Gil Birmingham in Le Jaguar.
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