Amanda Seyfried certainly beats to her own drum and strolling down the red carpet at the Tribeca Film Festival for her premiere of Letters to Juliette was no different.  Girl wore shorts.  And she glammed it up with her hair in an updo and a sparkly blazer and sexay pumps.

She’s clinging for dear life posing with boyfriend Dominic Cooper who she met on the set of Mamma Mia. I find her utterly adorable.

Also at the premiere:  Jane Rosenthal, Christopher Egan (who is also in the movie), Ellen Barkin, and America Ferrera.

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Photos:  PNP/WENN