What are Us Weekly's preferred partners buzzing about this Thursday? Nick Carter's future wedding to Lauren Kitt, the upcoming premieres of Game of Thrones and Mad Men and Stephenie Meyer's The Host finally hitting theaters. Check out more stories in the roundup below.

Getting into bridal shape! Backstreet Boys' Nick Carter's fiancee Lauren Kitt shares her pre-wedding workout secrets. The fitness expert has given herself new workout goals to "look and feel fantastic" for her wedding. (Celebuzz)

Want to catch up on Game of Thrones? If you haven't read George R. R. Martin's seven books, here is a quick cheat sheet to study before the season 3 premiere on Sunday. (The Daily Beast)

Spoiler alert! See what the cast of Mad Men has shared about what to expect in season 6 of the hit AMC series. (The Stir)

Author Stephenie Meyer's follow-up to Twilight is finally hitting theaters. Read a review of The Host, starring Saoirse Ronan. (Zap2It) 

Wardrobe secrets revealed! Costume designer Michele Clapton shares what to expect in season 3 of Game of Thrones. (Fashionista)

This article originally appeared on Usmagazine.com: Nick Carter's Fiancee Lauren Kitt Shares Her Pre-Wedding Workout Secrets