Complete story — includes the ending
Blair decides to throw herself a bachelorette party, but shady enemies who include Beatrice ( Roxane Mesquida ) and her co-conspirator cousin Father Cavette, scheme to ruin and humiliate Blair, with an unknowing Chuck as their patsy, in order to prevent Blair's upcoming marriage by any means necessary. Meanwhile, Nate, with the distant assistance of Gossip Girl, finally discovers that Tripp was responsible for the car accident that hurt Blair and Chuck and he contacts William van der Bilt for help to expose Tripp's scheme. Also, Serena and Dan continue their fake relationship to protect Blair while Dan becomes uncertain about writing again. Title reference: The 1991 film Father of the Bride.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Gossip Girl season 5. HTML formatting and reference markers removed. · Content license