Watch Gossip Girl S05e01 -

: Serena thrives in her Hollywood film job but faces a major setback after attempting to impress her boss.

: Blair and Prince Louis return from Monaco to plan their wedding, but Blair clashes with her future mother-in-law over traditions like the wedding dress.

: Debuts as the mysterious media mogul Diana Payne. Michael Michele : Appears as Serena's Hollywood boss, Jane. Hugo Becker : Continues his role as Prince Louis Grimaldi. Yes, Then Zero | Gossip Girl Wiki | Fandom Watch Gossip Girl S05E01

: Blair deals with royal wedding demands at her family home located at 1136 5th Ave, New York .

: The site of a glamorous party attended by Serena, Chuck, and Nate. : Serena thrives in her Hollywood film job

: Nate begins a secret affair with Diana Payne, an older woman with hidden motives who eventually hires him for The New York Spectator .

: The episode ends with a shocking twist as it is revealed that Blair is six weeks pregnant. Notable Locations Michael Michele : Appears as Serena's Hollywood boss, Jane

: Where Dan is confronted by his mentor about the Vanity Fair piece. Guest Stars