Gia Kim and Sang Heon Lee took sibling rivalry to the next level in Marie Claire's How Well Do You Know Your Co-Star? The real-life brother/sister pair and 'XO, Kitty' castmates talked secret tattoos, growing up together, and first jobs while also revealing what they hope happens in season 2 of the hit Netflix show. So let's see how well Gia Kim and Sang Heon Lee know each other


★ Find Marie Claire on... ★
Web: https://www.marieclaire.com/
Instagram:   / marieclairemag  
Twitter:   / marieclaire  
Facebook:   / marieclaire  

SUBSCRIBE to Marie Claire for the latest interviews with your favorite stars:
http://bit.ly/SUBSCRIBEtoMARIECLAIRE



★ Marie Claire Series ★

How Well Do You Know Your Co-Star:    • Josephine Langford and Hero Fiennes-T...  

Shelf Portrait:    • Alanis Morissette Takes Us Inside Her...  

Pop Quiz:    • Megan Thee Stallion Tells All In A Sa...