Jewelry brand 'STONEHENgE' revealed�another still cut of the beautiful Jung sisters, Girls' Generation's�Jessica and f(x)' Krystal.

The two sisters are seen modeling 14K silver earrings and rings from�the brand's 2013 S/S collection.�They wore matching black-and-white flower headpieces and chiffon ruffled dresses. Jessica may be older than Krystal by a few years, but fans couldn't help but notice how much they look alike with some netizens even confusing them as twins.

The sisters also had an 'abs-off' in recent solo pictorials.