One June 5th, the girls of SISTAR celebrated their two year anniversary since they made their debut back in 2010.

SISTAR attached the above photos and wrote on the group's�Twitter page, "We had an enjoyable day today because STAR1 was with us. Thank you so much!".

In the released photos, the members of SISTAR each hold their latest album 'Alone' and show off their cake ,which was specially designed for SISTAR's second anniversary.

Followers who saw the photos commented, "Congratulations on your second anniversary SISTAR~", "I hope to see you together even in the next 100 years, 10000 years... forever!", and "I wish you continuous success!"

Source & Image: SISTAR's Twitter