Tiffany & Debbie:

Electric Youth

5/18/2009 2:20 PM PDT BY TMZ STAFF
After 20 years, former teen pop stars Tiffany and Debbie Gibson have barely changed.

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While sporting less rhinestones, a brunette Tiff, 37, and Deb, 38, reunited at a mall an event for Gibson's Electric Youth performing arts camp over the weekend.

The '80s really are back.