"We're so excited that our daughter Evie is going to get a baby sister or brother for Christmas," says Bentley, 35, who told PEOPLE when Evie was born that she made life "twice as big."
But, he says, no one's more eager for the new addition than the 21-month-old.
"She's pretty obsessed with a baby doll she carries around now ... We'll see how she does with the real thing!" Bentley says.
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