1 / 12
The model and actress looked stunning and slim at Michael Kors' Gold Collection launch in New York City in Sept. 2015, just two months after giving birth to her second son, Leo Thames.
The Guardians of the Galaxy star was in red carpet shape in time for the 2015 Academy Awards, less than three months after giving birth to her twin boys, Bowie and Cy.
Four months after the gorgeous star gave birth to her baby girl, Wyatt Isabelle, Kunis hit the red carpet, at the premiere of her sci-fi flick Jupiter Ascending, in this stunning black gown that showed off her shockingly slim figure.
Less than two months after she gave birth to daughter Giovanna, the reality star's trainer revealed to ET that she had lost the baby weight and was down to 99 pounds.
The singer unveiled her post-baby body at the Breakthrough Prize Awards Ceremony in November 2014.
Simpson slimmed down swiftly (perhaps thanks to her endorsement deal with Weight Watchers) after the birth of son Ace in 2013.
Queen B was (unsurprisingly) flawless when it came time to losing her baby weight after Blue Ivy's birth. The performer was back on the red carpet in mere months at the Met's Costume Institute Gala in May 2012.
Just two months after son Sam's birth in 2012, Garner was red carpet ready at CinemaCon in Las Vegas.
Alba was back in shape a mere six weeks after walking the red carpet looking very pregnant with second daughter Haven.
Fans caught a rare glimpse of a pregnant Beckham at the royal wedding in April 2011, but she had shed the extra pounds by November of the same year.
A little more than three months after giving birth, the model was red carpet ready at the Victoria's Secret SWIM Collection event.
The Victoria's Secret model gave birth to her first child just three months before the brand's famous fashion show, but she was runway ready in time to don her wings.