Most people don't know that Britney Spears had elective plastic surgery before stardom. She had breast implants and a nose job. Before becoming a world icon Britney was on the Disney singing tour with Christina Aguilera. During the transition to becoming a household name she underwent cosmetic surgery to improve her look. She increased her breast size from an A cup to a large C. This is a before and after picture of Britney Spears from when she was on the Disney singing tour. Britney Spears before and after her breast implants.