Ai Takahashi is a Japanese singer and actress formerly associated with the Hello! Project and is best known as the leader of Morning Musume and Hello! Project until 2011. She is also a former member of its popular subgroup Mini Moni.

Morning Musume '24 , formerly and commonly known as Morning Musume and colloquially referred to as Momusu , is a Japanese girl group, holding the second highest overall single sales on the Oricon charts as of February 2012, with the Oricon record of most top-ten singles, having 64 of them.