The TV presenter started her evening with a tamed mane at a glitzy bash held to launch Links Of London's new friendship bracelet range.
Smiling outside the venue, Caroline's hair hung smoothly around her shoulders as she posed in a 60s-inspired dress and coordinating Kate Spade New York Franny coat.
A few hours later, however, the star's locks looked slight more unkept and sweaty as she left the exclusive Groucho Club in Soho with a girl friend.
Don't worry Caroline, we've all been there. It's the sign of a good night!
Read more: One Direction launch their own fragrance at the top of The Gerkin!
Read more: Paris Hilton glam in maxi dress and heels as she lunches at The Ivy