1 of 27
Her back-baring dresses and leather leggings set a new pregnancy style standard, so of course the actress's first public appearance after giving birth at the end of 2014 was at New York Fashion Week on Feb. 12. Stepping out in a Gabriela Cadena formfitting black and white dress, it looks like Lively hasn't missed a beat – that's because she hasn't.
2 of 27
The Guardians of the Galaxy star was a regular on the hiking trails of Los Angeles throughout her pregnancy – and it paid off. After welcoming twin boys on Nov. 27 the former ballet dancer showed up at the VES Awards in Beverly Hills a mere 10 weeks later looking sleek and slim in a little black dress.
3 of 27
Some new moms think sensible nursing bra, others go for a sexy bustier. At the Feb. 2 L.A. premiere of Jupiter Ascending, the stars aligned in Kunis's favor as she generated buzz at her first post-baby red carpet appearance in a fitted black Dolce amp Gabbana dress. But her secret to looking so svelte four months after the Oct. 1 birth of daughter Wyatt isn't so otherworldly: "Breastfeeding's a great workout," she said.
4 of 27
Considering how great she looked before baby, it's not so surprising that Keibler got back into fighting shape three months after welcoming daughter Ava Grace on Aug. 20. Turning up in a Nov. 25 photo on her blog looking fit as ever in just a sports bra and booty shorts, the new mom shared her bounce-back secrets: Walking, hiking, Pilates, eating healthy and breastfeeding. Plus (we presume), good genes.
5 of 27
The singer decided to go va-va-voom, working her post-baby curves to the max three months after welcoming daughter Summer Rain Rutler (born Aug. 17). For the singer's first red carpet appearance at an awards ceremony on Nov. 9 in Mountain View, California, she wowed in a figure-hugging red gown that put her assets on display. "As a woman, I'm proud to embrace my body through all stages of life," she said.
6 of 27
7 of 27
8 of 27
9 of 27
One word: wow! A mere 11 days after welcoming son Otis Alexander, the glowing Her actress turned up at the Ms. Foundation Women of Vision Gala on May 1 in a gray blazer, loose-fitting white top, skinny black jeans and printed pumps – which was a far cry from the bump-worthy ensemble (camel coat, blue jeans, boots and scarf) she wore pre-baby on April 7.
10 of 27
11 of 27
Last December, the pregnant actress covered up in a swath of layers while out and about in London. But after welcoming son Booker Jombe on March 3, Newton was more than ready to bare some skin (and show off her new mommy curves!) in an eye-popping Osman LBD and gold heels at the April 8 U.K. premiere of Half of a Yellow Sun.
12 of 27
Ready for a jaw-dropper? Just weeks after welcoming twin sons Tristan and Sasha (born March 18) the new mom stepped out April 7 looking refreshed (and beach-ready!) in Malibu. This was a big change from Feb. 9, when Pataky put her carefree style – and bump – on display while shopping at the Pasadena Flea Market.
13 of 27
14 of 27
Pregnant or not, red is definitely the new mom's color. While Winslet glowed in a crimson Jenny Packham gown at the London premiere of Labor Day last October, she was completely stunning three months after welcoming son Bear in a scarlet SAFiYAA dress at the Hollywood premiere of Divergent on March 18.
15 of 27
16 of 27
Date night was a great incentive for Simpson, who slipped into a curve-hugging black dress for an Oct. 31 dinner in L.A. with fiancé Eric Johnson. The Weight Watchers spokesperson welcomed her second child – son Ace – in June. And though she's now back in her skinny jeans, the star says becoming a mom has changed her "perspective completely." "Raising [daughter] Maxwell makes me realize that I don't want her to see me beat myself up for things like food choices or numbers on a scale," she wrote on her Parents.com blog.
17 of 27
18 of 27
19 of 27
20 of 27
After welcoming son Beau Kyle in late August, the first-time mom quickly jumped back into a figure-hugging frock for an Oct. 10 awards dinner in L.A. But that doesn't mean there aren't new curves she's still getting used to. "You widen and your body changes and it's an adjustment," she told PEOPLE. "You just have to keep telling yourself that it's for the baby, and I will figure it out once it's out."
21 of 27
Caliente! The new mom-of-two may have stayed under the radar right after welcoming daughter Luna with husband Javier Bardem last July, but she pulled out all the stops in a stunning body-hugging lace Temperley London gown for her first post-baby red carpet appearance at the Oct. 3 London premiere of her new film The Counselor.
22 of 27
It took a while for North's mom to make her big post-baby debut, but when she did, she did it haute couture-style. After eating light and healthy for a couple of months, Kim (here on Sept. 30 in a white tee, blush pink leather Tom Ford skirt and nude Azzedine AlaÏa heels) hit up Paris Fashion week in several sexy ensembles with boyfriend Kanye West.
23 of 27
24 of 27
25 of 27
26 of 27
27 of 27
Shortly after welcoming daughter Lincoln in late March, Bell admitted to Redbook, "I had to surrender to not worrying about the way I looked, how much I weighed, because that's just part of the journey of having a baby." Well, she could've fooled us: On June 5, the actress hosted the CMT Music Awards in Nashville looking more than victorious over what she dubbed "the baby weight rat race."
Jenna Bush Hager’s Kids Are ‘Strong, Opinionated Girls’ Who Remind Her of Her Younger Self: ‘I Think It’s Karma’
A Sister for Maxwell Lue! Playing House's Lindsay Sloane Welcomes Daughter Pippa Jean
Amy Poehler and Will Ferrell on the Lengths They’ve Gone for Their Kids (One Was the Poop Emoji for Halloween!)
Meet Georgia Grace! Flipping Out's Jenni Pulos Introduces Her Newborn Daughter
Hive Goals! 23 Buzz-Worthy (and Bee-Themed) Finds for Beyoncé's Twins