Seo In-young (Hangul: 서인영; born on September 3, 1984), also known as Elly, is a South Korean singer, dancer, model, television host, and actress. She is most famously known for being a member of girl group Jewelry and being on the reality television show We Got Married with Crown J. In May 2012, Seo In-young established her own private entertainment company, IY Company. She is no longer affiliated or under contract with Star Empire Entertainment.