The blonde TV presenter has a twin sister and it's certainly not easy to tell them apart - their poor parents!
Sharing the cute throwback picture on Instagram, Caroline wished her sister Jody a happy birthday to celebrate them turning 36, showing how close they are with this sweet message: 'To my good angel.... I couldn't live without you... Happy birthday to the good twin @jodyflack ❤️❤️ (remember these gums)'
Psst... Caroline's the twin on the right, in case you couldn't tell!