Blake Mills was born in Santa Monica, California on September 21, 1986 and grew up in Malibu, where he attended Malibu High School with Taylor Goldsmith. Mills and Goldsmith began their musical careers in a band they co-founded called Simon Dawes. Simon Dawes released its debut EP What No One Hears in 2005, and its first LP Carnivore in September 2006 via Record Collection. After the band broke up in 2007, Goldsmith and his younger brother, Griffin, formed the band Dawes with Simon Dawes bassist, Wylie Gelber, and Mills went on to serve as a touring guitarist for Jenny Lewis. He went on to tour with Band of Horses,Cass McCombs,Julian Casablancas and Lucinda Williams. As a session musician, Mills has collaborated with Conor Oberst, Kid Rock,Weezer, The Avett Brothers, Paulo Nutini,Norah Jones, Carlene Carter, Jesca Hoop, Dixie Chicks, Zucchero, Pink, Lana Del Rey, Dangermouse and more.