Pietra-Marie de Mello-Pittman MBE (born 14 April 1983) is a Brazilian-British retired Royal Ballet dancer and co-founder and co-director of Ltd. She founded the company with composer Ella Spira in 2009 while still in the corps de ballet. A former First Artist of The Royal Ballet, she graduated into the Company in 2002 and trained at The Royal Ballet Upper School. She was promoted to First Artist in 2008 and retired from the Company in 2015. In 2021 she received an MBE for services to International Trade and the Creative Industry in the New Year Honours.