One aspect I love about Chanel’s handbag offerings is how the brand sticks with its core bags and expands on them seasonally.

But the borg didn't stop there. As well as the fabric lining the brown, suede coat she carried with her, Sienna's lace up ...

We've found the perfect high-street lookalike for Chanel's iconic Classic Flap Bag and, at just £65, it's a bargain piece ...

She finished the ensemble with glossy black Christian Louboutin heels and a black-and-white beaded faux-pearl mini crossbody bag by Chanel.