By Xantha Leatham For The Daily Mail
Published: 00:57 BST, 4 May 2019 | Updated: 00:57 BST, 4 May 2019
In her Hollywood career, Keira Knightley has become a natural at imitating other people.
And as the actress arrived at a party in Paris, she seemed to be emulating a gesture that has become synonymous with the Duchess of Sussex.
Using the occasion to reveal that she is expecting her second child, the 34-year-old cradled