Speculation began swirling in March that Mila and fiancé Ashton Kutcher are expecting their first child together, although neither has commented.
Yesterday, beautiful Mila attended the MTV Movie Awards 2014 in Los Angeles where she picked up the prize for 'Best Villain', thanks to her role in Oz: The Great and the Powerful.
However, anyone hoping she might reveal her pregnancy by way of a baby bump will be disappointed, as she chose a flirty black dress that didn't really show anything…
Oh, Mila, very clever.
It seems we'll just have to wait until Mila or Ashton either confirm a pregnancy or deny all the speculation and make us all look a bit silly.
The notoriously private couple haven't even confirmed they are engaged, although the sparkler on Mila's engagement finger is maybe confirmation enough.
They met on the set of sitcom That '70s Show, where they played Kelso and Jackie, but romance didn't blossom until many years later, following Ashton's split from wife Demi Moore and Mila's break-up from long-time boyfriend Macaulay Culkin.
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Celebrities who have announced pregnancies in 2014 in pictures:
Copyright: WENN Lexie Appleby/Future Image/Bridow/Instagram