Brooke Shield's new workout

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Wow. From the looks of these well-toned arm muscles, Brooke Shields has been doing some serious former first lady curls.

Photo Credits: Brooke gives Nancy Reagan a helping hand at the The Colleagues Annual Spring Luncheon and Oscar de la Renta Fall 07 fashion show at the Beverly Wilshire Hotel yesterday. But shouldn't someone have sent Nancy's suit out for a little pressing?
Donato Sardella/WireImage