Friends: The Reunion was jam-packed with major star power as along with the original six castmates - Jennifer Aniston, Courteney Cox, Lisa Kudrow, Matt LeBlanc, Matthew Perry and David Schwimmer - celebrities who guest-starred on the iconic sitcom like Tom Selleck and Reese Witherspoon as well as huge fans of the beloved series like BTS and Justin Bieber, were a part of the highly-awaited special.However, fans were left baffled about the fact that fan-favourite Friends guest stars like Paul