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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Tandem Communications | Getty Images
Robert Pattinson as Giselher in Curse of the Ring .
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Renaissance Films | Getty Images
Kristen Stewart as Sam Jennings in The Safety of Objects .
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Spelling Television | Getty Images
Taylor Lautner as a boy on the beach in Summerland .
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Riverbend Films | Getty Images
Jackson Rathbone as Connor in Pray for Morning .
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Paramount | Getty Images
Michael Welch as Young Niles in Frasier .
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IFC Productions | Getty Images
Anna Kendrick as Fritzi Wagner in Camp .
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Fox Searchlight Pictures | Getty Images
Nikki Reed as Evie Zamora in Thirteen .
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NBC | Getty Images
Ashley Greene as Ann Rappaport in Crossing Jordan .
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CBS | Getty Images
Cam Gigandet as Mark Young in CSI: Crime Scene Investigation .
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Lionsgate | Getty Images
Edi Gathegi as Haitian Cabbie in Crank .
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Vission Works Productions | Getty Images
Justin Chon as Rong in Fleetwood .
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Getty Images
Billy Burke as James Bird in To Cross the Rubicon .
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Disney Channel | Getty Images
Christian Serratos as Heather Perez in Cow Belles .
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Five Minutes Before the Miracle | Getty Images
Elizabeth Reaser as Malissa Zubach in Mind the Gap .
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FOX | Getty Images
Rachelle Lefevre as Stacey Hanson in Big Wolf on Campus .
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Tree Farm Productions | Getty Images
Peter Facinelli as Lucifer in Angela .
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Alliance Atlantis Communications | Getty Images
Kellan Lutz as Alex Hopper in CSI: NY .
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Gaumont International | Getty Images
Gil Birmingham in Le Jaguar .