Kanye's Girlfriend -- Butt Flossin'

8/19/2009 10:30 AM PDT BY TMZ STAFF
Kanye West's girlfriend is a straight G -- as in G-string -- as in ... holy crap, that's the tiniest bikini bottom ever made.

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Kanye, Amber Rose and a piece of strategically placed orange thread soaked up the sun by a pool in Miami Beach yesterday.

"It's amazing."