Exclusive First Look: Meet Castle's New Beckett!

ABC’s Castle will turn up the Heat this winter when viewers meet the star of the movie version of Rick’s Heat Wave novel — and we’ve got your first look at the new brunette beauty on the crime scene.

Starting January 3, That ’70s Show alumna Laura Prepon will be guest-starring as Natalie Rhodes, the actress bringing Nikki Heat to the big screen.

Seeing as how the fictional Nikki is modeled on Beckett, it will be interesting to see if Miss Rhodes’ mimicry of Castle’s muse might stir a little something within the handsome mystery writer.

For anyone missing Prepon’s blonde locks, here’s a pic of her Castle character arriving for her first meeting with Rick and Kate, pre-“transformation”:

This story originally appeared on Movieline.com.