Jung Sisters enjoy Valentine Day together

f(x)'s Krystal poses for OhBoy! Magazine

Female K-Pop Stars Battle of the Abs, 'Working Out vs. Lucky'

Minho, Krystal and Sulli for High Cut

f(x)’s Krystal and Sulli show off a young, fresh look in a pictorial

The outstanding height of '94liner' ! Are you jealous?

STONEHENgE reveals BTS footage of Jessica and Krystal’s pictorial

‘STONEHENGE’ reveals new photos of Jessica and Krystal

SNSD’s Jessica and f(x)’s Krystal show off their pretty faces in unedited photos

Amber poses with princess Krystal

Jessica and Krystal become new models of Stonehenge

f(x)'s Victoria & Krystal transform into gangsters

Krystal and Sulli are the new faces of Etude!

f(x)'s Victoria & Krystal show off fan gifts

94's Liners pose together at Music Bank backstage

Krystal takes pretty 'good morning' selcas with Victoria!

f(x)'s Victoria and Krystal pose with shades

f(x) and their big heads?

f(x)’s Krystal accepted by Hanyang and Sungkyunkwan Universities

f(x)'s Krystal gets accepted to Hanyang University!