Kim Kardashian Swears Off Carbs, Starts 'Crazy Workouts'

The reality TV star laments it's "so much harder to lose [weight] after baby."

— -- Kim Kardashian has officially changed her name to "Kim Kardashian West" -- and she has a new passport to prove it.

On Wednesday, the reality TV star shared the happy news on Instagram, along with her new glamorous passport photo.

"New passport pic #Mrs.West #NameChange," she wrote.

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The "Keeping Up with the Kardashians" star, 33, married Kanye West, 37, in Italy more than two months ago. She previously changed her name on social media, but it seems that this time, she's done the deed officially.

With the wedding madness behind her, the mother to one-year-old North is focused on getting in her pre-pregnancy shape, lamenting on Twitter that it's "so much harder to lose [weight] after baby."

"Not gonna complain anymore. Starting diet TODAY! No carbs. crazy workouts. Whos [sic] with me?" she wrote. "i think after having a baby u get so excited u lost a lot of weight then u get comfortable & eat how you used & it creeps back up."