f(x) the latest group from SM Entertainment released 2 teaser photo's of Sulli and Amber ahead of their album release on May 4.

It was announced that by end of April f(x) will be releasing teaser's and by early May they will make their comeback. f(x) will be coming back with another new mini album. SM Entertainment of the 27th said that prior to their full scale activities they will show teasers showing their new concept for their new album. It was also announced that Super Junior will be coming back after a year and 2 months to the music industry by Mid/End May.

Fans are quite surprised with the transformation especially from Sulli with her dyed blonde hair. Their new concept is pretty intense and the rest of the member's teaser will be released by this week.

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Source: Starnews
Credits: Blueprincess824 @ dailykpopnews