Like I told  you a couple of weeks ago, Carrie Underwood will make her acting debut on an upcoming episode of How I Met Your Mother. Underwood will play Tiffany, an enigmatic pharmaceutical sales rep and love interest for Ted (played by Josh Radnor), in an episode scheduled to air in March.  The first photo from Carrie on set (above) was just posted to Twitter by show star Neil Patrick Hararis...not sure what to make of the outfit?  She looks like a 60's flight attendant rather than a pharmaceutical sales rep.  I'm looking forward to seeing the episode, are you?  ~Vanessa