Hilary Duff: 24 Hours, 7 Outfits!

The pop star is a fashion whirlwind while promoting her new album in N.Y.C. See what she wore!

Credit: Albert Ferreira/startraksphoto

Updated: Tuesday Mar 27, 2007 | 03:45 PM EDT

SKATER GIRL

Duff spends a moment on solid ground in her black and white Petro Zilla jumper and Christian Louboutin pumps while joining guests Will Ferrell and Jon Heder in ice-skating around the TRL studio.