The Hollywood baby boom

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Ivanka TrumpHalle Berry and Olivier MartinezJeremy RennerKristen Bell and Dax ShepardAnna Chlumsky'Bachelor' Jason Mesnick and Molly MalaneyTamar BraxtonMark-Paul GosselaarHolly MadisonPerez HiltonMario Lopez and Courtney MazzaJosh Duhamel and FergieAlec Baldwin and Hilaria BaldwinKim Kardashian and Kanye WestPrince William and Kate MiddletonElton John and David FurnishJake Owen and wife Lacey BuchananMegan Fox and Brian Austin GreenGuy Ritchie and Jacqui AinsleyDrew Barrymore and Will KopelmanReese Witherspoon and Jim TothSarah Michelle Gellar and Freddie Prinze Jr.Shakira and Gerard PiqueKourtney Kardashian and Scott DisickJackson Rathbone and Sheila HafsadiAdele and Simon KoneckiNick and Vanessa LacheySnooki and Jionni LaValleNathan Followill and Jessie BaylinCaleb Followill and Lily AldridgeAnna Paquin and Stephen MoyerKourtney Kardashian and Scott DisickAlyson Hannigan and Alexis DenisofMelissa Joan Hart and Mark WilkersonTamera Mowry-Housley and Adam HousleyJames Marsden and ...?Molly Sims and Scott StuberAdriana Lima and Marko JaricTony Romo and Candice CrawfordBruce Willis and Emma HemingTori Spelling and Dean McDermottTy and Holly BurrellJames and Kimberly Van Der BeekJennifer Garner and Ben AffleckBeyonce and Jay-Z

Ivanka Trump

( Stephen Lovekin / Getty Images )

"Celebrity Apprentice" mentor Ivanka Trump, 31, and husband Jared Kushner are expecting their second child.

"Jared and I are so excited that Arabella will become a big sister this fall. Thanks for all your good wishes!" she tweeted April 11.

The couple welcomed Arabella Rose, their first daughter, in July 2011. She and Kushner, the chairman of Observer Media Group, married in 2009.

MORE: Ivanka Trump confirms she's pregnant with her second child

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