One of the most eagerly anticipated arrivals is Halle Berry's baby boy with Olivier Martinez.The Hollywood beauty will become a mum again for the second time at 47.
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Hitherto largely unknown Lauren Silverman, Simon Cowell's girlfriend is also experiencing a closely followed pregnancy. The American socialite was thrust into the limelight when the news came to light because she was in the midst of divorce proceedings with one of Simon's close friends.
She has dealt with the attention graciously, laughing off questions from whether they plan to marry to if the birth will be filmed.
Other ladies expecting include Zara Phillips, Caprice and Frankie Sandford. Take a look at our round up of the current celebrity mums-to-be.