Ireland Baldwin's doing wonders for the sequined collars and cuffs industry ... modeling a set of 'em in the nude.
The 20-year-old model showed off just about everything for a "treats!" shoot that features her in see-through tops, mesh tops and NO tops at all -- and we scored this behind-the-scenes video.
Her mom, Kim Basinger, did her first fully nude shoot for Playboy when she was 29 years old.
Ireland's not just curvy ... she's ahead of the curve ... and you can get it all here.
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