The Aussie model, 27, displayed her chiselled stomach and ample cleavage while posing in a stylish underwear set from Playboy

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Model Gabrielle Epstein flaunts her unreal abs in a tiny black bikini

Gabrielle Epstein leaves VERY little to the imagination as she poses in a skimpy pink bikini

Gabrielle Epstein showcases her unreal abs in skimpy Playboy underwear

Gabby Epstein suffers an epic tan line fail in Playboy bunny costume

Australian Playboy model Gabrielle Epstein reveals her extremely lithe frame and eye-popping cleavage in a skimpy rainbow bikini

Gabrielle Epstein showcases her unreal abs in skimpy Playboy underwear

Australian Playboy model Gabrielle Epstein reveals her extremely lithe frame and eye-popping cleavage in a skimpy rainbow bikini

Braless Gabrielle Epstein wears a skintight dress while horse riding

Gabrielle Epstein showcases her unreal abs in a bodycon maxi dress

Gabby Epstein suffers an epic tan line fail in Playboy bunny costume