2CELLOS (stylized 2CΞLLOS) are a Croatian cellist duo, consisting of classically trained cellists, Luka Šulić and Stjepan Hauser. Signed to Sony Masterworks since 2011, they have released five albums. They play instrumental arrangements of well-known pop and rock songs, as well as classical and film music. The duo performs internationally and has been featured on several American television series including Glee and The Bachelor (Sean and Catherine's Wedding).