Prime Minister and I starred the singer and actress who debuted in what group?
Prime Minister and I: Prime Minister and I () is a 2013 South Korean television drama starring Im Yoon-ah, Lee Beom-soo, Yoon Shi-yoon, Chae Jung-an and Ryu Jin. Im Yoon-ah:  She debuted as a member of girl group Girls' Generation in August 2007, who went on to become one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide.
Girls' Generation