Sierra Aylina McClain

As a singer, she is best known as a member of the sister brother group Thriii with her sisters.
Sierra Aylina McClain was born on March 16, 1994, in Decatur, Georgia. Her father, Michael McClain, is a music producer who produced Solange Knowles' debut album Solo Star (2002). Her mother, Shontell, is a songwriter and former screenwriter. She has two younger sisters, Lauryn and China Anne, who are also actresses and singers, and has a younger brother, Gabriel.
After her sister was discovered in 2004 by a music executive who heard her sing, China was cast in the film The Gospel (2005) with Sierra cast in the children's choir. Around this time the sisters formed the music group the 3mcclaingirls. In December 2005, while on the set of Tyler Perry's House of Payne, China introduced her sisters Sierra and Lauryn to a show producer and the sisters performed a song for him. They were then cast in…