Cailin Russo

Cailin Russo. Actress: Justin Bieber: All That Matters. Raised in San Diego, 24-year-old singer, actress and model Cailin Russo comes from a family of musicians, with her dad being known as the frontman of 'Unwritten Law'. Naturally drawn to show-business, Cailin started her career starring in Justin Bieber's 'All That Matters' music video and writing her own music. Cailin's debut single 'September Rose' has over 4 million Spotify plays alone and...