Pregnant model Nicole Trunfio arrives for the GQ Men Of The Year Awards 2014 on November 19, 2014 in Sydney, Australia. Picture: Getty

Pregnant Australian model Robyn Lawley shares a snap on December 5, 2014. Picture: Instagram

Pregnant actress Blake Lively attends L’Oreal Paris’ Ninth Annual Women Of Worth Celebration on December 2, 2014 in New York City. Picture: Getty

Pregnant actress Asher Keddie arrives for the GQ Men Of The Year Awards 2014 on November 19, 2014 in Sydney, Australia. Picture: Getty

Pregnant Australian television personality Carrie Bickmore shares a snap on November 6, 2014. Picture: Instagram

Pregnant actress Liv Tyler attends 2014 Women’s Leadership Award Honoring Stella McCartney at Alice Tully Hall on November 13, 2014 in New York City. Picture: Getty

Pregnant star Erin McNaught-Gleave poses at WHO’s sexiest people party 2014 on October 22, 2014 in Sydney, Australia. Picture: Getty

Catherine, Duchess of Cambridge visits an EACH (East Anglia Children’s Hospice) Appeal Launch Event on November 25, 2014 in Norwich, England. Picture: Getty

Pregnant actress Zoe Saldana dances during the Premiere of Twentieth Century Fox and Reel FX Animation Studois’ “The Book of Life” on October 12, 2014 in Los Angeles, California. Picture: Getty

Isla Fisher steps out on October 9, 2014 in London, England. Picture: Getty

Pregnant singer Shakira and her son Milan look on during the La Liga match between FC Barcelona and SD Eibar on October 18, 2014 in Barcelona, Spain. Picture: Getty

Pregnant star Kourtney Kardashian attends the Brian Bowen Smith WILDLIFE show hosted by Casamigos Tequila at De Re Gallery on October 23, 2014 in West Hollywood, California. Picture: Getty

Pregnant musician Alicia Keys attends Keep A Child Alive’s 11th annual Black Ball on October 30, 2014 in New York City. Picture: Getty

Pregnant actress Jessica Pare attends the 21st Annual Scotiabank Giller Prize on November 10, 2014 in Toronto, Canada. Picture: Getty

Pregnant model Molly Sims attends the 2014 amfAR LA Inspiration Gala at Milk Studios on October 29, 2014 in Hollywood, California. Picture: Getty

Pregnant actress Amanda Peet attends FX’s “American Horror Story: Freak Show” premiere screening on October 5, 2014 in Hollywood, California. Picture: Getty

Pregnant actress Hayden Panettiere attends the 66th Annual Primetime Emmy Awards on August 25, 2014 in Los Angeles, California. Picture: Getty

Pregnant actress Kristen Bell attends the Premiere of Warner Bros Pictures and Village Roadshow Pictures’ “The Judge” on October 1, 2014 in Beverly Hills, California. Picture: Getty

Pregnant singer Carrie Underwood attends the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. Picture: Getty

Pregnant model Coco Roca attends The New York Ball: The 20th Anniversary Benefit for The European School Of Economics on November 19, 2014 in New York City. Picture: Getty

SYDNEY, AUSTRALIA - NOVEMBER 19: Nicole Trunfio arrives for the GQ Men Of The Year Awards 2014 at The Ivy on November 19, 2014 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

SYDNEY, AUSTRALIA - NOVEMBER 19: Nicole Trunfio arrives for the GQ Men Of The Year Awards 2014 at The Ivy on November 19, 2014 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

SYDNEY, AUSTRALIA - NOVEMBER 19: Nicole Trunfio arrives for the GQ Men Of The Year Awards 2014 at The Ivy on November 19, 2014 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

SYDNEY, AUSTRALIA - NOVEMBER 19: Nicole Trunfio arrives for the GQ Men Of The Year Awards 2014 at The Ivy on November 19, 2014 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)