Although the news comes as no surprise, expectant mother Jessica Simpson took to Twitter on Halloween and wrote, "ANNOUNCEMENT!!!"
The singer confirmed what was suspected by many, and threw in some Halloween humor, tweeting a photo of herself dressed in a mummy costume with the caption, "I'm going to be a mummy."
It's official. Simpson and footballer fiancé Eric Johnson are expecting their first child together.
Based on recent photos of the fashion tycoon, many are speculating she is about six months along, although there's no official word of her due date.
Baby Bump Watch 2011
Hilary Duff is pregnant with her first child. Duff, 24, recently announced she is expecting a boy.The actress is married to pro hockey player Mike Comrie.
Although she hasn't announced it yet, engaged singer Jessica Simpson is reportedly pregnant with her first child. The fashion mogul is engaged to footballer Eric Johnson.
Bruce Willis and Emma Heming
Bruce Willis, 54, and model wife Emma Heming, 35, are expecting their first child together early next year.Willis, who was previously married to Demi Moore, has three daughters: Rumer, 23, Scout, 20, and Tallulah Belle, 17.
Beyoncé made a surprise announcement at the 2011 MTV Video Music Awards, when she took to the stage and said, "Tonight I want you to stand up on your feet; I want you to feel the love that's growing inside of me."Knowles and her husband of three years, Jay Z, are expecting their first child together.
Robert Downey Jr. and Susan Downey
"Iron Man" star Robert Downey Jr. and his wife of six years, Susan, are expecting their first child together early next year.
Brenda Song and Trace Cyrus
Disney star Brenda Song, 23, and her beau, Trace (Miley Cyrus' brother), 22, are expecting their first child together.
Jason Bateman and Amanda Anka
Jason Bateman and his wife of 10 years, Amanda Anka are expecting their second daughter.
Jennifer Garner and Ben Affleck announced they were going to be parents for the third time. The couple have daughters Violet, 5, and Seraphina, 2.
"American Idol" alum Fantasia Barrino announced she was pregnant during a charity concert on July 31 in Jacksonville. This is her second child.
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Rebecca Gayheart and husband Eric Dane are expecting their second child together.They welcomed their daughter Billie Beatrice in March of 2010.
Actress Keri Russell is expecting her second baby with husband Shane Deary. The "Felicity" star already has a four-year-old son named River.
Lindsay Price and Curtis Stone are expecting their first child together.
Newlywed Lily Allen and her beau Sam Cooper are excited for the arrival of their little one later on this year.
CNN talk show host Piers Morgan and his wife Celia Walden are pregnant with their first child. Morgan confirmed the news via Twitter.
Supermodel and "Celebrity Apprentice" alum Niki Taylor will have their fourth child in the fall of 2011. Taylor made the big announcement on Twitter, posting a pic of her holding the ultrasound photo.
Ethan Hawke and his wife Ryan are expecting their second baby together.