Possible Clues:

• Self-description after a lifestyle change
• Post-makeover self
• Self-transformation result, to the self
• 'It's the ___' ('I've changed')
• Moniker after a lifestyle change
• Self-description after a makeover
• 'A Brand ___' (Dusty Springfield song)
• "It's the ___" ("I've changed")
• Transformed self
• Self-description after a major lifestyle change