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From Shiloh Jolie-Pitt and Leni Samuel to Apple Martin and Bryn Hoppy, see which celeb cuties will be donning party hats this month
Updated: Tuesday May 01, 2012 | 06:00 AM EDT
By: Laura Franco
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Marion Cotillard keeps her hands full with her cherubic babe (who celebrates his first birthday May 19) while shopping in N.Y.C. on April 15.
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