Simisola Bolatito Kosoko (née Ogunleye; born April 19, 1988), better known as Simi, is a Nigerian singer, songwriter, and actress. She started her career as a gospel singer, releasing her debut studio album in the year 2008, titled Ogaju. She gained public recognition in 2014 after releasing "Tiff", a song that was nominated for Best Alternative Song at The Headies 2015. Simi signed a record deal with X3M Music in 2014, but left the label in May 2019 following the expiration of her contract. She released her second studio album, Simisola, on September 8, 2017. Her third studio album, Omo Charlie Champagne, Vol. 1, was released to coincide with her thirty-first birthday on April 19, 2019. Simi launched her record label Studio Brat in June 2019. She was a judge on season 7 of Nigerian Idol in 2022.