Who Is Replacing Christie Brinkley on 'Dancing With the Stars'?

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Christie Brinkley is being replaced by her daughter on "Dancing With the Stars" after severely injuring her arm. 

Sailor Brinkley-Cook, 21, will stand in for her 65-year-old mother, who was forced to undergo surgery after shattering her arm during rehearsals for Monday night's premiere. 

“We wish Christie a full and speedy recovery and look forward to seeing her in the audience, whenever possible, proudly supporting Sailor,” BBC Studios and ABC said in a joint statement.

"Showbiz is all about getting a break, and Sailor and I both got one on 'Dancing With the Stars' this season," Christie said in a statement. "Sailor joined the cast when I got mine … ouch somebody stop me, it hurts to laugh!"

Thankfully, Sailor and her mom are such look-alikes that Christie's performance outfit didn't even have to be altered, according to "Good Morning America."

As for Sailor, she's up to the task, telling "GMA": "I felt this high of just attacking something I was so afraid of and it felt like something I need to do."

She added: "I think it will change me."

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