Best of 2013

2013: Hollywood's Cutest Mom-to-Be 'Bumpies'

From Gwen Stefani and Kim Kardashian to Jessica Simpson and Shakira, see who charted their road to motherhood with a series of revealing self-portraits

GWEN STEFANI

After belly bumping with now new mom Rachel Zoe last October, the singer decided to give fans a solo shot of her growing curves on Twitter. But this wasn't her only pregnancy reveal on social media. Stefani also announced she's having another boy on her new Instagram account.