Pregnant and Engaged Stars: Zooey Deschanel, Mila Kunis, Scarlett Johansson

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COLLEEN BALLINGER

The 31-year-old actress and comedian, known for her popular YouTube character Miranda Sings, is engaged to boyfriend Erik Stocklin — and expecting her first child, due New Year’s Day.

"We’re so, so excited," Ballinger, who is 13 weeks pregnant, told PEOPLE exclusively of the double-whammy news. "We’re so in love and can’t wait to meet this kid. It’s just all happening at once; a lot of exciting things coming quickly, which is awesome. I’m the luckiest girl in the world."

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CAITLIN MCHUGH

F:PHOTOMediaFactory ActionsRequests DropBox48521#getty8GettyImages-866088824.jpg — Rachel Murray/Getty

In an exclusive interview with PEOPLE, Fuller House star John Stamos revealed he and his model-fiancée were expecting their first child together — sharing the big news two months after getting engaged.

"We have the same morals and the same values, that all clicked nicely. So we said, 'Oh, well, maybe we should have a family,'" said the actor. McHugh suggested, "'Maybe we should have a kid [before we get married]' and I said, 'Why?'" Stamos recalled, revealing his fiancée jokingly responded, "Because you're old."

The couple tied the knot in February 2018 and welcomed their son, Billy, in April 2018.

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AMANDA SEYFRIED

Amanda Seyfried announced her pregnancy at a Givenchy fragrance launch event in N.Y.C., just two months after confirming her engagement to actor Thomas Sadoski. The pair tied the knot in March 2017 and welcomed their baby girl later that month.

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ZOOEY DESCHANEL

We hope there's room for two more in the New Girl apartment! Just about one week after announcing she's expecting her first child with producer Jacob Pechenik, Deschanel had yet another reason to celebrate: Her engagement. She and Pechenik headed down the aisle in 2015 and welcomed their first child that July and gave birth to their second child in May 2017.

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MILA KUNIS

More than 15 years after meeting on the set of That '70s Show, life is groovier than ever for Kunis and Ashton Kutcher: The now-married couple, who have been together since 2012, welcomed their first child on Oct. 1 2014, while engaged and second child in November 2016. "They are both very, very happy," said a friend.

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HAYDEN PANETTIERE

Though totally happy to dish on wedding hair and dress shopping following her October 2013 engagement to boxer Wladimir Klitschko, the pint-size starlet's daydreams likely have more to do with toddler clothes and gear now: She welcomed daughter Kaya Evdokia on Dec. 9, 2014.

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SCARLETT JOHANSSON

Ooh la la! After giving birth to her daughter Rose Dorothy with French journalist Romain Dauriac, the star and her former beau secretly tied the knot in October 2014. However, they announced their separation in early 2017.

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CHRISTINA AGUILERA

February 2014 was a good month for Aguilera: She got engaged to longtime boyfriend Matt Rutler in Hawaii on Valentine's Day (showing off her major ring days later). Then on Aug. 16 of that year, she gave birth to their daughter Summer Rain.

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CIARA

Bling and a baby! Engaged in October to rapper-producer Future, Ciara announced her pregnancy in January 2014, and welcomed son Future Zahir on May 19. The couple called off their engagement in August of that same year.

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JENNI 'JWOWW' FARLEY

The Jersey Shore alum started thinking pink even before she got engaged to Roger Mathews in September 2012, and two years later, she was on pink overload after welcoming daughter Meilani Alexandra on July 13, 2014. The pair married the following year.

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OLIVIA WILDE

Life has moved fairly quickly for Wilde and SNL alum Jason Sudeikis: After striking up a romance in late 2011, the two became engaged around the 2012 holidays, announced their baby news in October 2013 and welcomed son Otis on April 20, 2014. Still engaged, the couple added a daughter to their family in 2016.

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GINNIFER GOODWIN

Goodwin and Once Upon a Time costar Josh Dallas successfully navigated the route from costars to co-partners – and now, co-parents. After taking their relationship public in April 2012, they shared news of their engagement in October 2013 and their pregnancy one month later. "It hit me like a blinding light," Dallas said of falling for his castmate. "I thought, 'I'm in trouble now.' " The two were married in an intimate California ceremony on April 12, 2014, and welcomed son Oliver on May 29. They added son Hugo to their family in June 2016.

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EVELYN LOZADA

"I'm excited about being a mommy all over again," the Basketball Wives star told PEOPLE in November 2013 when announcing her pregnancy with a then-unnamed partner. Already mom to adult daughter Shaniece, Lozada said, "This is something I've been wanting for years and I can't believe it's finally happening." Her Christmas Day engagement was a second blessing, and revealed the identity of her husband-to-be, Los Angeles Dodger Carl Crawford. On March 22, 2014, the couple welcomed son Carl Leo.

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JENNIFER LOVE HEWITT

The star of The Client List announced her engagement to costar Brian Hallisay on June 5, 2013, a day after revealing she was pregnant. "This is a wonderful time, and we are looking forward to starting our family together," she said in a statement. That November, the pair welcomed daughter Autumn – and slyly announced they'd been married, too. In January 2015, she announced they were expecting another baby together.

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TERESA PALMER

Good things come in twos for the Warm Bodies actress, who revealed her pregnancy a week after announcing that she and beau Mark Webber were engaged. "To my precious baby – I'm so blessed to be your mama, we have been wishing for you for awhile," Palmer, who wed Webber in 2013, captioned an Instagram photo showing a sonogram and a pair of baby slippers. Son Bodhi Rain arrived on Feb. 17, 2014, and also made his debut via Instagram.

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CHARLOTTE CASIRAGHI

Sources confirmed that Casiraghi, the daughter of Princess Caroline of Monaco, and her boyfriend, French comedian and actor Gad Elmaleh, were expecting their first child in the winter of 2013 – not long after that other royal baby. "Theirs is a beautiful love story and now there is a baby on the way," a friend of Elmaleh told PEOPLE. "It's a proud moment for them." In December 2013, the lovebirds welcomed their little prince, and named him Raphael.

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NICOLE 'SNOOKI' POLIZZI

Nicole "Snooki" Polizzi started out as an unlucky-in-love party girl on MTV's Jersey Shore, but with the help of love Jionni LaValle, she became a mom. "When I got pregnant, everything changed," Polizzi told PEOPLE in September 2012 after the birth of son Lorenzo Dominic. "The partying is long gone. I'm a new person." The couple tied the knot in November 2014 – just two months after welcoming another child, daughter Giovanna Marie.

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DREW BARRYMORE

After getting engaged over the holidays and adopting a dog together, Barrymore and Will Kopelman expanded their love nest to include daughter Olive in October 2012, four months after their wedding. Sadly, the couple announced they were splitting in 2016.

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KRISTIN CAVALLARI

The former Hills star had twice as much to celebrate in 2012! After reconciling with Chicago Bears quarterback Jay Cutler the previous November, Cavallari announced her pregnancy in the new year. "It's an amazing time in our life and we can't wait to meet the new addition to our growing family," she told PEOPLE shortly before welcoming son Camden Jack in August and tying the knot with Cutler the following June. In 2015, they added daughter Saylor James to their family.

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JESSICA SIMPSON

Following months of speculation about her growing belly, Simpson confirmed pregnancy rumors in 2011 with a Halloween-themed Tweet, saying, "It's true – I'm going to be a mummy." The news came almost a year into her engagement with Eric Johnson, with whom she welcomed daughter Maxwell Drew on May 1. A little over a year later, their family grew again with the addition of son Ace Knute.

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KRISTEN BELL

The actors – who've shared lots of time together on- and off-screen – became engaged during the 2009 holiday season but vowed not to wed until gay marriage was legal in California. In that time, Bell became pregnant and gave birth to their first child, daughter Lincoln, in March 2013, before making it official in a low-key courthouse ceremony that October. The couple are also parents to daughter Delta, whom they welcomed in 2014.

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SIRI PINTER

Pinter and longtime love Carson Daly have been happy to take their time with life's major milestones. They welcomed son Jackson together in 2009 and daughter Etta three years later. He proposed in June 2013, but before their walk down the aisle, the couple gave birth to their third child, London Rose, on Aug. 20, 2014.

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KATE HUDSON

A month after going public with her pregnancy, Hudson put her bump on display at the February 2011 Grammys, prompting her beau, Muse rocker Matthew Bellamy, to say from the stage, "I'd like to give a shout-out to my beautiful, pregnant girlfriend over there." The couple celebrated more milestones when Bellamy proposed that April and they welcomed son Bingham that July. Sadly, the pair called it quits in December 2014.

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NATALIE PORTMAN

Portman shared her double dose of happiness when she revealed she was pregnant and engaged in December 2010. Throughout the nine months, fiancé Benjamin Millepied remained at her side, including the night of her February 2011 Oscar win and the June birth of their son Aleph. Though the two were spotted wearing what appeared to be wedding rings at the 2012 Oscars, they officially walked down the aisle that summer. They are also parents to daughter Amalia, whom they welcomed in March 2017.

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MIRANDA KERR

Just one month after he put a ring on it, Orlando Bloom quietly wed his Victoria's Secret model girlfriend in July 2010 amid buzz that Kerr was expecting. Bringing an end to the speculation, she told Spanish Vogue shortly after: "Yes, I am pregnant. Four months along." A few months before their son's third birthday, in October 2013, the couple broke the news that they were separating.

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CHRISTINA APPLEGATE

Musician Martyn LeNoble popped the question to Applegate on Valentine's Day 2010, and the couple kept the happy news coming in July when she revealed her pregnancy. "He's my best friend. And now watching him with our daughter, I have fallen even more in love," the Up All Night star gushed to PEOPLE in February 2011 after welcoming daughter Sadie. The pair wed two years later.

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ALICIA KEYS

Keys accessorized her Grecian-inspired gown with a prominent baby bump for her July 31, 2010, nuptials to producer Kasseem "Swizz Beatz" Dean, which came two months after the couple revealed they were pregnant and engaged. Son Egypt was born that October.

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BETHENNY FRANKEL

Frankel packed a one-two punch when she announced her engagement and pregnancy days apart in October 2009, prompting a mad dash to the altar for the reality star, who wanted to be wed before welcoming daughter Bryn the following May. "I got engaged, we got pregnant, and we're gonna get married. It's a miracle," she said. Sadly, the two divorced in early 2013, battling in court for custody of their daughter.

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KENDRA WILKINSON

Baby Hank couldn't wait! With her June 27, 2009, wedding only weeks away, Wilkinson revealed she was expecting her first child with fiancé Hank Baskett. "The rumors are true," she blogged. "Hank and [I] were beyond excited when we found out the news and [I've] been dying to tell all of you but we were waiting for the perfect time to do it." The couple also share a daughter, Alijah, whom they welcomed in May 2014.

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JESSICA ALBA

Alba announced her first pregnancy with Cash Warren in December 2007 and was spotted sporting a rock on her ring finger just weeks later. A month before daughter Honor arrived in June 2008, the couple made it official with a casual courthouse wedding. They are also parents to daughter Haven and are currently expecting their third child (a boy!) together.

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ASHLEE SIMPSON

When Simpson and Pete Wentz announced their engagement in April 2008, rumors flew that the twosome were expecting. The couple issued repeated denials but wed a month later, eventually coming clean two weeks into their marriage. "While many have speculated about this, we wanted to wait until after the first trimester to officially confirm that we are expecting our first child," they wrote on his website. The couple split in 2011.

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KATIE HOLMES

A whirlwind romance culminated in a Parisian proposal for Holmes and Tom Cruise in June 2005, followed by baby news in October. Deciding to enjoy the pregnancy rather than rush to the altar, the pair postponed their nuptials until November 2006, when they wed in an opulent ceremony at an Italian castle with 7-month-old daughter Suri in attendance. The couple called it quits in 2012.

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JENNIFER GARNER

Ultra-private Garner and Ben Affleck neither confirmed their April 2005 engagement nor acknowledged the pregnancy rumors shortly afterward. They instead opted to go on the record about their hush-hush June wedding. "We were able to have a beautiful, private wedding, and I couldn't be happier," she said, six months before daughter Violet's birth. The pair welcomed two more kids before announcing their separation in 2015.

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VICTORIA BECKHAM

Victoria said yes to soccer star David Beckham's proposal in January 1998 and soon afterward discovered she was pregnant while on tour with the Spice Girls. Baby boy Brooklyn, named for the location where he was conceived, was born the following March, with David telling reporters, "[A baby] is something we have always wanted." Four months after Brooklyn's birth, the duo wed in an Irish castle, with their son serving as ring bearer. The couple also share kids Romeo, Cruz and Harper.