As Girl's Day is preparing for their January comeback, leader Sojin decided it was the perfect time to set up her personal Instagram account (ssozi_sojin).
She tweeted on January 2: "I want to try Instagram, too... :)"
She also posted a screenshot of one of her new Instagram posts, reports AllKpop.
She uploaded some cute selcas of herself as well as sexy solo images from Girl's Day's upcoming new album.
View other celebrity Instagram pictures in the gallery below.