Princess Beatrice is doing maternity style the royal way. This Thursday, the princess stepped out in London to attend the Chiltern Firehouse’s 10th anniversary bash. To ring in the spooky season, the famed venue threw a costume party, and Bea made sure to bring her A-game in a white Venetian-style masquerade mask.

Princess Beatrice’s mother, Sarah Ferguson, seems to be nothing but excited -- and proud -- of her daughter’s recently pregnancy announcement.

Dave Benett/Getty Images; The Royal Family/X Princess Eugenie is celebrating her sister Princess Beatrice's baby on the way. On Oct. 1, Buckingham Palace announced that Princess Beatrice, 36, is pregnant and expecting her second child with her husband ...

Princess Beatrice has kept her 3-year-old daughter, Sienna, out of the spotlight, but royal fans were treated to an adorable new photo of the toddler on Oct. 1 as Buckingham Palace announced Beatrice was pregnant with her second child.