The four ladies of SISTAR have gathered to celebrate the successful conclusion of their first solo concert, 'Femme Fatale'.

SISTAR performed in front of a 3,000 member audience on the 15th at the Olympic Hall located in Seoul, making this their first concert since their debut in 2010.

On September 15th, the girls updated their official Twitter page with the photo above and wrote, "Thank you to everyone who came to SISTAR's first solo concert [Femme Fatale]~~! Our first concert was exciting and we had lots of fun. ^?^ Surprise event! With sense. 'Together with SISTAR' STAR1, we love you."

Fans congratulated the group leaving comments like, "Congratulations on your first solo concert!", "The concert was great", "We'll be waiting for your second concert", and more.

Source: SISTAR's Twitter