MOD NOTE: this and its two replies had originally formed a "lost & found fanfic" thread. I've merged it now with its recommendation after hiding spoilers.
~gal-texter / Pen Mar 2009
Story Title: unknown
Author Name: unknown
Main ship: James/Lily
Plot: James is a prince who is engaged to
Click/highlight to read SPOILER!
this princess called Gabrielle. They don't want to marry each other because it's an arranged marriage. Gabrielle runs away and James is coming for a visit/Gabrielle is supposed to visit James (I'm not sure which one) so her father sends out a search party. They find Lily instead, who's a commoner but bears an uncanny resemblance to Gabrielle so they convice her to pose as Gabrielle until they find her. While Lily is Gabrielle, she and James fall in love, but James doesn't know for a while. I think that they also take a vacation somewhere and accidentally find Gabrielle, I'm not sure though.
[/END SPOILER]
Last seen where: fanfiction.net
How long ago: summer 2003 (sorry, I realized that i didn't have my computer summer '02)
Other info: Sirius Black is a quidditch player
Click/highlight to read SPOILER!
who Gabrielle runs away with.
[/END SPOILER]
Full Version: A Right Royal Mixup
http://www.fanfiction.net/read.php?storyid=1199885 ?
"A Right Royal Mixup" by Lily Itriwi
Summary: AU She was a dead ringer for a runaway princess.So British tourist Lily Evans was hired to impersonate the missing monarch - at her arranged engagement to a prince! Riches galore would be Lily's during the royal masquerade,as would the constant company of [sic]
"A Right Royal Mixup" by Lily Itriwi
Summary: AU She was a dead ringer for a runaway princess.So British tourist Lily Evans was hired to impersonate the missing monarch - at her arranged engagement to a prince! Riches galore would be Lily's during the royal masquerade,as would the constant company of [sic]
Thank you so much Jennifer! 
This is exactly the fic I was looking for! 
This is exactly the fic I was looking for!
Original
Title: A Right Royal Mixup
Author: Lily Itriwi
Status: Completed
Portkey Side Ship(s):
Rating: NC-17
Genre: Romanc/Drama
length(optional): 71526 Words 30 Chapters
Non Portkey Ship(s):
Location(URL): FFN FFN
Based upon book: Book 1-5
Warnings: Rec Mods' Note: one version's mature-rated, the other's PG-13. - gal-texter
Summary(optional): AU She was a dead ringer for a runaway princess.So British tourist Lily Evans was hired to impersonate the missing monarch - at her arranged engagement to a prince! Riches galore would be Lily's during the royal masquerade,as would the constant company of
Optional User Comments: fluff to the core, but amazing nevertheless...
Title: A Right Royal Mixup
Author: Lily Itriwi
Status: Completed
Portkey Side Ship(s):
Rating: NC-17
Genre: Romanc/Drama
length(optional): 71526 Words 30 Chapters
Non Portkey Ship(s):
Location(URL): FFN FFN
Based upon book: Book 1-5
Warnings: Rec Mods' Note: one version's mature-rated, the other's PG-13. - gal-texter
Summary(optional): AU She was a dead ringer for a runaway princess.So British tourist Lily Evans was hired to impersonate the missing monarch - at her arranged engagement to a prince! Riches galore would be Lily's during the royal masquerade,as would the constant company of
Optional User Comments: fluff to the core, but amazing nevertheless...
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