Could you imagine a Gossip Girl and High School Musical crossover??
No, neither could we... but one sort of already exists.
Blake Lively is actually related to one of the cast members, but before you go thinkin' it's Zac Efron or Vanessa Hudgens... think ~daddy~. Yep, Coach Bolton.
Bart Johnson is married to Blake's older sister, Robyn Lively, and they have three kids together: Kate, Baylen and Wyatt.
The proof is in the Instagram!
The more you know.