Are They Hotter Dressed Up or Dressed Down?

Do these stars look sexier in their casual wear, or are they better "suited" for formal occasions? Vote!

  • JUSTIN TIMBERLAKE  photo | Justin Timberlake

Credit: Timms/XP/star max; James Devaney/WireImage

Updated: Friday Oct 27, 2006 | 06:00 AM EDT

JUSTIN TIMBERLAKE

Timberlake puts his own preppy twist on a suit at the GQ awards in London, and opts for a casual layered look for a visit to TRL.