Kiersey Nicole Clemons (born December 17th, 1993) is an American actress, producer, and singer. Clemons is best known for her roles as Diggy in the award-winning film Dope, as Bianca on the TV series Transparent and love interest in Trey Songz "Smartphones". She also played Lucy on the Steven Spielberg CBS series Extant. Clemons co-starred in the sequel Neighbors 2: Sorority Rising, the follow-up to the film Neighbors. She's starring in the comedy film Little Bitches, the sequel/reboot to 1990's Flatliners, of the same name, Marc Webb's The Only Living Boy in New York, and is set to co-produce and star in An L.A. Minute, and Blumhouse Production horror film Sweetheart by JD Dillard before filming The Flash. She portays Iris West in the DC Comics Extended Universe.