Güney Koreli Bir K-Pop Grubu Olan Wonder Girls JYP Entertainment Firmasının Düzenlediği Yarışmalar Sonucu Bir Araya Getirilmiş 5 Adet Kadın Üyeden Oluşmaktadır. "Tell Me" "So Hot" Ve "Nobody" Gibi Hitlere Sahiplerdir. Hatta "Nobody" Isimli Şarkılarının Sadece Ingilizce Sözlerden Oluşan Versiyonu Da Bulunmaktadır.
"Irony" Is Wonder Girls' Debut Single Which Was Written And Produced By Park Jin-Young And Released On February 13 2007 Through JYP Entertainment. The Track Was Firstly Released As Part Of Their Debut Album The Wonder Years But Later It Was Also Re-Released As A Maxi Single And Also As Part Of The Wonder Begins EP 2017 . "Irony" Became One Of The Group's Biggest Hits In South Korea. An Accompanying Music Video Was Also Released And Shows The Members' Revenge On Sunye's Unfaithful Boyfriend By Using A Voodoo Doll To Embarrass Him. It Marks Their Only Release To Feature Member Hyuna Who Left The Group In July 2007.