f(x)' Krystal revealed photos she took with fellow member Victoria.

On April 17th, Krystal instagramed the above pictures with the caption, "Few weeks back with�#victoria�:)." The two idols look fresh and beautiful on the set of a shoot.

Fans responded, "They can have a cutie battle," "Is it f(x)' talent to get prettier by the day," and "The�f(x) members are the most beautiful idols."

Meanwhile, it's been reported that f(x) has been hard at work preparing for a new album. It seems like it won't be long until they announce their anticipated comeback.