This week on We Spy Style, Jordan Feldman and Jeannie Mai are back in the hot seat! Miranda Kerr and Kim Kardashian go head to head in Mirror, Mirror, and Matthew McConaughey is this week's Guy We Spy. Plus, we play a round of fashion Truth or Dare and things heat up — you won't want to miss it! And in honor of award season, the theme for Buy One Thing is the best undergarments to own; shop our picks below!

On Allison: Nonoo top and skirt, ASOS heels; On Meg: DKNY dress, ASOS heels.