Boy meets princess!

Former "Boy Meets World" star Maitland Ward celebrated May the Fourth in a BIG way, by fulfilling many a nerd's dream and dressing up in the now infamous Slave Leia costume from "Return of the Jedi."

The actress, now 37, wore Carrie Fisher's metal bikini to Meltdown Comics in Los Angeles on Sunday to celebrate Star Wars Day.

PHOTO: See Maitland's See-Through Red Carpet Dress

She looks pretty incredible in the revealing ensemble ... and we have a strong feeling we'll be seeing more of her in cosplay come Comic-Con in July!

The film geek holiday comes on the heels of last week's big casting announcement for "Star Wars: Episode VII." Fisher, Harrison Ford and Mark Hamill will all return to play their respective roles in the Star Wars universe -- alongside new faces like Adam Driver and Domnhall Gleeson.

Check out the gallery below to see who else will appear in the highly-anticipated flick!

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