The Family Guy star looked stunning at Burberry's star-studded 'London In Los Angeles' event held at the Griffith Observatory in Hollywood.
Mila wowed in tailored trousers and a shirt, finishing her look with leg-lengthening nude heels and seriously straight and glossy hair styled in a side parting.
The 31-year-old actress became a mum last year when she gave birth to first child Wyatt Isabelle in October, with partner Ashton by her side.
Since then there's been lots of speculation about whether or not Mila and Ashton tied the knot in secret… but they're keeping mum on the truth!
Mila gave a teasing answer on James Corden's Late Late Show earlier this year, simply replying "maybe" when asked if the couple got married.
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