SEE ALSO: Taeyeon shares a photo from her 1st birthday

Taeyeon shared on her Instagram, "Seohyun ah, your phone is weird... No. You want to switch phones with unni???", and�"Strange."

Taeyeon spread her legs as she plopped on the bench with Hyoyeon and the camera angle made her legs looks especially long, making fans wonder what�Seohyun's secret is to getting the perfect angle.

SONEs commented, "Your legs look so long", "Do you need glasses now?�#ahjummaproblems? Noooooo!", "Hyoyeon!", and "How did you make your legs look so long?"