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The singer partnered up with 'Gap' for its 'Let's Gap Together' campaign, modeling alongside Taiwan-based Singaporean singer JJ Lin. As always, Krystal is full of confidence and smiles, decked in black from head to toe. She makes even a simple black leather jacket look stylish and chic, exuding a tough yet feminine aura. 

Check out Krystal's chemistry with JJ Lin in the video above! 

Tip: Paulin