Who? Sienna Miller
What? After making her post-baby red carpet return in an elegant column dress over the weekend, Sienna Miller dressed down for the Hamptons Film Festival brunch yesterday. She paired her crisp white shirt and grey cardigan with a pair of silk, printed trousers and some suede ballet pumps.
Where? The Hamptons, 7 October
Verdict? So has Sienna mastered the pyjama trend or does her casual approach literally look like she's forgotten to get dressed? Let us know your thoughts in a comment and see more of the star in her perfect 10 below:
Find out the latest on Sienna's baby Marlowe below: