"I haven't had any cravings, but [Stephen's] been great," added Jean.
Amell and Jean, 27, got married in the Caribbean late last year on Christmas Day. They reportedly renewed their vows in New Orleans on May 26.
According to the magazine, Jean first showed off her baby bump on Sunday at the Monte Carlo TV Festival in Monaco.
Jean quitAmerica's Next Top Model in the fifth edition's fourth episode because she disapproved of her makeover, which changed her long brown locks to a super short blonde hairdo.
Creator and judge Tyra Banks hoped to cut even more of her hair off once she saw the results, but Jean left the show before letting that happen.
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