f(x)’s Amber and Krystal snap a playful photo together

f(x)‘s Krystal made fans laugh with an adorable photo of herself and fellow member Amber.
On her me2day, Krystal wrote, “Our Josephine, who picked the picture of her eating my hat as the best cut.” Dressed in their “Hot Summer” stage outfits, the girls are seen fooling around as Amber attempts to chomp her hat, while Krystal wore a nervous expression.