Gospel singer who put out her albums De Todo Meu Coração in 2009, Vai Brilhar in 2011, Santo in 2013, and Canções para Ninar in 2015.
She was a member of the worship ministry Diante do Trono.
She released her solo, self-titled, debut album in 2008. She has over 900,000 followers on her marianavaladao Instagram account.
Her parents are Márcio Valadão and Renata Valadão.
She and Michely Manuely are both Brazilian gospel singers.