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Season One

Social Gathering (Pilot)

Kiss on the Lips Party (Pilot) 

Bart Bass' Annual Brunch ( The Wild Brunch)

Ivy League Mixer (Poison Ivy)

Nate & Chuck's Lost Weekend (Bad News Blair)

  • Summary: To celebrate making it through Ivy Week, Nate and Chuck host a Lost Weekend celebration; where the guys host a weekend long celebration complete with drinking, drugs, and women. The party is crashed by the return of Carter Baizen, which threatens Chuck's leadership role.
  • Host: Chuck Bass
  • Location: The Palace Hotel, Suite 1812
  • Notable Attendants: Nate Archibald, Carter Baizen

Blair's Sleepover Soiree (Dare Devil)

The Masquerade Ball (The Handmaiden's Tale) 

Night in Tangiers Party ( The Handmaiden's Tale)

Chuck's Victrola Celebration (Victor Victrola)

  • Summary: Chuck plans an elaborate party held at the club Victrola in hopes Bart will let him invest in the place. Blair shows up in Nate's place after they break up to escape.
  • Host: Chuck Bass
  • Location: Victrola
  • Notable Attendants: Blair Waldorf, Bart Bass

Blair's 17th Birthday Party (Seventeen Candles)

The Dispensary Cotillion & Debutante Ball (Hi, Society)

Holiday Bazaar & Charity Auction (Roman Holiday)

Christmas Eve Soiree (Roman Holiday)

Constance Billard Pool Party (School Lies)

Jenny's 15th Birthday Party (The Blair Bitch Project) 

The Nelly Yuki Sabotage Party (Desperately Seeking Serena)

Jenny & Asher's Party (All About My Brother)

Lily & Bart's Rehearsal Dinner (Woman On The Verge)

Spotlight on the 90s Concert (Woman on the Verge)

Lily & Bart's Wedding (Much 'I Do' About Nothing)

Season Two

The White Party (Summer Kind of Wonderful)

  • Summary: The first party of the season thrown in The Hamptons. It's sponsored Vitamin Water and considered to be very exclusive. CeCe brings along Dan, who comes to The Hamptons to win Serena back. Meanwhile, Blair tries to make Chuck jealous with her new boyfriend and Nate tries to make his new lover jealous with Serena.

Blair's Welcome Back Party (Never Been Marcused)

Blair's Back to School Party (The Dark Night)

Eleanor Waldorf's Fashion Show (The Serena Also Rises)

Dean Berube's Private Party (New Haven Can Wait)

  • Summary: The dean of admissions at Yale holds an exclusive party annually to his favorite prospective Yale students after interviewing them. At the party, Blair uses Serena's past to try and make sure she doesn't get into Yale.
  • Host: Dean Berube
  • Location: Dean Berube's house
  • Attendants: Serena van der Woodsen, Blair Waldorf

Lily & Bart's Housewarming Party (Chuck in Real Life)

Rufus's Art Opening (Pret-a-Poor-J)

Annual Philanthropic Award Gala (There Might be Blood)

Jenny's Guerrilla Fashion Show (There Might be Blood)

Blair's 18th Birthday Party (Bonfire of the Vanity)

The Snowflake Ball (It's a Wonderful Lie)

Bart Bass' Funeral (O Brother, Where Bart Thou?)

Chuck's Return to New York Party (In the Realm of the Basses)

Chuck's Celebratory Brunch (Gone with the Will)

Constance/St. Jude's Play: The Age of Innocence (The Age of Dissonance)

Van Der Bilt Family Reunion Reception (The Grandfather)

Jenny's Sweet Sixteen (Remains of the J)

Tripp and Maureen's Rehearsal Dinner (Seder Anything)

Cyrus' Seder Dinner (Seder Anything)

Van Der Woodsen Co-Op Meeting (Southern Gentlemen Prefer Blondes)

Prom (Valley Girls)

Graduation Luncheon (The Goodbye Gossip Girl)

Nate's Graduation Party (The Goodbye Gossip Girl)

Season Three

Van Der Bilt Polo Match (Reversals of Fortune)

Georgina's Rooftop Party (The Freshmen)

Sotheby's Art Auction (The Lost Boy)

Fleur Film Premiere (Dan de Fleurette)

Lily & Rufus' Wedding (Rufus Getting Married)

NYU Freshman Parent's Dinner (Enough About Eve)

Chuck's Halloween Party (How to Succeed in Bassness)

Tripp's Election Party (The Grandfather: Part II)

Cotillion & Debutante Ball (They Shoot Humphreys, Don't They?)

Tisch Cabaret (The Last Days of Disco Stick)

Van Der Woodsen Thanksgiving Dinner (The Treasure of Serena Madre)

French Ambassador Dinner (The Hurt Locket)

NYU Dorm Beach Party (The Lady Vanished)

  • Summary: Vanessa's dorm at NYU throws a beach party for everyone and both her and Dan attend and struggle with seeing the other date someone new.
  • Host: NYU Dorms
  • Location: New York University
  • Notable Attendants: Dan Humphrey, Vanessa Abrams

Bart Bass Dedication Gala (The Sixteen Year Old Virgin)

Eleanor's Fashion Show (The Empire Strikes Jack)

  • Summary: Eleanor is hosting a fashion show in the hopes of scoring a deal with one of the biggest retailer chains in the country. She tells Blair to bring her friends, but Blair struggles with the order, as she hasn't made any. Meanwhile, Jenny makes her return to the fashion industry but is thrown for a loop when her old friend Agnes returns as well.
  • Host: Eleanor Waldorf
  • Location: Unknown
  • Notable Attendants: Blair Waldorf, Serena van der Woodsen, Nate Archibald, Jenny Humphrey, Agnes Andrews, Jack Bass

Nate's 19th Birthday Party & Assassin Game (Inglourious Bassterds)

Dorota & Vanya's Rehearsal Dinner (The Unblairable Lightness of Being)

Dorota & Vanya's Wedding (The Unblairable Lightness of Being)

Brooklyn Art Party (Dr. Estrangeloved)

Columbia Alumni Gala (It's a Dad, Dad, Dad, Dad World)

Library Benefit (Ex-Husbands and Wives)

Season Four

Fashion's Night Out Luncheon (Belles de Jour)

Fashion's Night Out (The Undergraduates)

Chuck's Charity Gala (Touch of Eva)

Hamilton House Party (Goodbye, Columbia)

The Observer's New Yorkers of the Year Party (Easy J)

Blair's 20th Birthday Party (War at the Roses)

Winter Opening for New York City Ballet (Juliet Doesn't Live Here Anymore)

Chuck's Masquerade Party (The Witches of Bushwick)

Bass Industries Holiday Party (The Townie)

Russell Thorpe's Midwestern Mogul Party (The Kids Are Not Alright)

W Magazine Party (Damien Darko)

W Magazine Party (Panic Roommate)

Chuck's Valentine's Day Fundraiser (It-Girl Happened One Night)

Eric's 18th Birthday Party (While You Weren't Sleeping)

Chuck's Bass Industries Celebration (Empire of the Son)

The Pink Party (Petty in Pink)

Monegasque Cocktail Party (The Princesses and the Frog)

Blair & Louis' Engagement Party (Shattered Bass)

Constance/St. Jude's Alumni Fundraiser Gala (Shattered Bass/The Wrong Goodbye)

Season Five

Hollywood Hills Party (Yes, Then Zero)

  • Summary: Serena is given a list of tasks by her supervisor, Marshall, to finish before the party. Meanwhile, Nate and Chuck arrive in LA and Chuck is invited to the party by a woman. Once at the party, Serena's job is put at risk and Nate meets a mysterious woman.
  • Host: Diana Payne
  • Notable Attendants: Serena van der Woodsen, Nate Archibald

Monaco Independence Day Feast (Beauty and the Feast)

  • Summary: To prove Blair has an eating disorder, Beatrice has the feast moved to New York from Monaco. At the feast, Blair battles morning sickness and reveals her pregnancy to Dan.
  • Host: Father Smythe
  • Notable Attendants: Blair Waldorf, Louis Grimaldi, Beatrice Grimaldi, Dan Humphrey

Jenny Packham Fashion Show (The Jewel of Denial)

Dan's Book Release Party (Memoirs of an Invisible Dan)

Waldorf Yom Kippur Dinner (The Fasting and the Furious)

The Spectator Launch Party (I Am Number Nine)

Blair's Wedding Shower (All the Pretty Sources)

CeCe's Studio 54 Party (Rhodes to Perdition)

Charlie's Debut Party (Riding in Town Cars With Boys)

The Spectator's New Years Eve Party (The End of the Affair?)

Blair's Bachelorette Party (Father and the Bride)

Pre Wedding Breakfast (G.G.)

Blair & Louis' Wedding (G.G.)

The Spectator's Valentine's Day Party (Crazy Cupid Love)

CeCe Rhodes' Wake (The Princess Dowry)

Ivy's CeCe Rhodes' Cancer Benefit (Con-Heir)

Kiki de Montparnasse Fashion Show (It-Girl Interrupted)

Blair & Dan's Salon (Salon of the Dead)

Lily's Press Dinner (Despicable B)

New York Public Library's 2012 Young Lions Fiction Award Cocktail Party (Despicable B)

  • Summary: Dan is nominated for an award and invites Blair to the cocktail reception as his date, but is unaware that she is determined to become high brow at any cost.
  • Host: New York Public Library
  • Notable Attendants: Dan Humphrey, Blair Waldorf

Diana's Brothel Party (Raiders of the Lost Art)

Shepherd Divorce Party (The Return of the Ring)

Season Six

David & David's Wedding (Gone Maybe Gone)

Conservancy Gala (High Infidelity)

Blair's Fashion Show (Dirty Rotten Scandals)

Cotillion and Debutante Ball (Monstrous Ball)

Lily, Rufus, & Ivy's Art Opening (Where the Vile Things Are)

  • Summary: Rufus and Ivy sabotage Lily's art opening as payback for her doing the same thing and taking their guests, and end up competing for one of Lily's beloved paintings; along with Chuck.
  • Hosts: Lily van der Woodsen, Rufus Humphrey & Ivy Dickens
  • Notable Attendants: Chuck Bass

Blair's Pop Up Shop (Save the Last Chance)

Serena & Dan's Thanksgiving Dinner (It's Really Complicated)

New York Real Estate's Man of the Year Party (The Revengers)

Chuck & Blair's Wedding (New York, I Love You XOXO)

Dan & Serena's Wedding (New York, I Love You XOXO)

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