Blac Chyna and Amber Rose demonstrate cleavage enhancing black bra

Instagram viewers got treated to videos of Amber Rose and Blac Chyna testing out bras

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Amber Rose and Blac Chyna give fans an eyeful as they both test out bust-enhancing bras

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Blac Chyna & Amber Rose show off their impressive cleavage

Amber Rose and Blac Chyna give fans an eyeful as they both test out bust-enhancing bras

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Blac Chyna bares all in see-through black bra and fishnet dress as

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Amber Rose and Blac Chyna give fans an eyeful as they both test out bust-enhancing bras

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557 Amber Rose Blac Chyna Photos & High Res Pictures - Getty Images