Credit: Jamie McCarthy/

At the NYC premiere of Harry Potter and the Deathly Hallows, Part One, on Tuesday, Emma Watson, 20, walked the red carpet in a custom dress by Calvin Klein.

"I asked them to make it for me," Watson told "I love Calvin Klein!"

Mimic her look (for less) with the Norma Kamali for Wal-Mart Jersey Racerback Maxi Dress ($15, for stores).

Or, try the rayon Ribbed Tank Dress ($39,