Sienna Miller, Miley Cyrus, Katy Perry and Jennifer Love Hewitt showed off their love for fashion in New York City this week.

Miller matched her lips to her bright red shift dress a screening of her comedy "The Mysteries of Pittsburgh." Cyrus sported a purple and blue floral print peasant dress during her performance on "Good Morning America." Perry rocked a peacock feather print satin dress for the Beautiful People party. Hewitt chose a black puffball dress for the premiere of the comedy "Finding Bliss."

"Extra" wants to know -- which is the best look of the week?