Today is the 4th anniversary since debut for Crayon Pop. Be sure to congratulate Crayon Pop on a very wonderful 4 year anniversary. The Twitter and Instagram hashtag that the fandom has been using is #crayonpop4thAnniversary, so remember to tweet or leave messages on their personal IG accounts, as well as the official Crayon Pop Instagram account with the following format.
If you are a member of the official Crayon Pop Daum fancafe, you can also post on a special board for the 4th anniversary congratulations.
Some words to consider are 크레용팝 (Crayon Pop), 데뷔 (debut), 4주년 (4th anniversary), 축하해요 (congratulations).
International fans such as GBuster have also released their congratulatory videos included below.