The Lennon Sisters are an American vocal group formed in 1955, originally consisting of four sisters: Dianne, Peggy, Janet, and Kathy. They gained fame for their harmonious singing style and appeared regularly on the television show The Lawrence Welk Show during the 1960s. Their performances showcased a blend of traditional pop, country, and folk music. Over the years, the group has released numerous albums and singles, earning a dedicated fan base. The Lennon Sisters have continued to perform together, celebrating their musical legacy and the influence of their family background in the entertainment industry.