Actress Jamie King and her husband Kyle Newman welcomed their first child together, son James Knight Newman, in October 2013. Look at her two months later in December.

Kim Zolciak gave birth last November to twins Kaia and Kane and gained 50 pounds during her pregnancy. But, the blond reality star quickly jumped back into shape. Check her out in November.

Fergie welcomed son Axl with hubby Josh Duhamel last September and months later was looking better than ever. Look at her bringing in the new year.

Kim Kardashian welcomed baby North West last June and just months later was hot tamale. Look at Kanye West’s wifey that September.

Kristin Cavallari gave birth to her second son, Jay, in May and only weeks later dropped her pregnancy weight. Check her out in July.

Shakira gave birth to son Milan in January 2013. Months later appeared as a judge on NBC’s The Voice and she didn’t even look like she gave birth.

Jenna Dewan-Tatum welcomed daughter Everly in June 2013 and months later stunned on the cover of Self magazine.

Holly Madison welcomed a baby girl named Rainbow Aurora in March 2013. She covered inTouch that month and appeared to be back to her normal size.

Reality star Evelyn Lozada welcome baby boy Carl Leo in March. On the Fourth of July, Lozada was already in a two-piece.