The 38-year-old Sherlock star, who got engaged to the theatre director, 36, in early November, have been planning to tie the knot in the next few months, the New York Post reported.
A source said that the actress was a few months pregnant, and both she and Cumberbatch were very excited about it.
Cumberbatch, who’s in the run for the Best Actor Golden Globe for his role in The Imitation Game and may even garner an Oscar nomination, had announced their engagement with the traditional notice in the 'Forthcoming Marriages' section of the Times of London.
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