"Littlest Things" is a song by an English singer who left school at what age?
Littlest Things: "Littlest Things" is a song by British recording artist Lily Allen from her debut studio album, "Alright, Still". Lily Allen: Lily Rose Beatrice Cooper (née Allen; born 2 May 1985), known professionally as Lily Allen, is an English singer, songwriter, actress, and television presenter. Lily Allen:  Allen left school when she was 15 and concentrated on improving her performing and compositional skills.
15