It was a week full of celebrations! Kendall and Gigi took over the catwalk at Paris Fashion Week. Supermodel Cindy Crawford celebrated her book launch with her husband Rande Gerber and their best pal George Clooney, while daughter Kaia hit up the Teen Vogue bash. Nick Jonas and Demi Lovato rocked out in Canada for We Day, and things got a little scary for Vanessa Hudgens in California. Click through for those star pics and more!
October 4: Kate Winslet, Michael Fassbender and Jeff Daniels attended a screening of their new movie 'Steve Jobs' at the Crosby Hotel in NYC.
Photo: Getty Images
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October 4: Nina Dobrev and Austin Stowell made their red carpet debut as a couple at the 'Bridge of Spies' screening during the New York Film Festival.
Photo: Getty Images
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October 4: Rooney Mara was a vision in white lace during the 'Pan' screening in NYC.
Photo: Getty Images
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October 4: Christy Turlington and Ed Burns made it a date night during the New York Film Festival screening of 'Bridge of Spies.'
Photo: Getty Images
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October 3: Fifty swings of Grey! Irish heartthrob Jamie Dornan showed his form on the green during the 2015 Alfred Dunhill Links Championship in Kingsbarns, Scotland.
Photo: Getty Images
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October 3: Taraji P. Henson continued her birthday celebration with 'Empire' cast members Bryshere Y. Gray, Grace Gealey, Trai Byers, Kaitlin Lyon and Gabourey Sidibe at Studio Paris in Chicago where the group sipped Moët Nectar Impérial Rosé.
Photo: Onasis Odelmo
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October 3: Look who it is! Jane Fonda posed with Elizabeth Banks during the Santa Barbara International Film Festival.
Photo: Getty Images
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October 3: Emilia Clarke and Jason Momoa had a 'Game of Thrones' reunion in Paris.
Photo: Instagram/@emilia_clarke
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October 3: Kaley Cuoco placed fourth in The Longines Masters of Paris Trophy competition in Los Angeles.
Photo: Shutterstock Rex for USA
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October 3: ‘NSYNC star Lance Bass and his husband, Michael Turchin were welcomed onstage in downtown Milwaukee during the opening ceremonies of AIDS Walk Wisconsin & 5K Run.
Photo: Allison Zarse
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October 3: Naomi Campbell showed some leg on the 'American Horror Story' carpet in L.A.
Photo: Getty Images
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October 3: Kisses! Gigi Hadid, Zendaya and Kendall Jenner showed their affection for each other at the Vogue 95th anniversary party in Paris.
Photo: Getty Images
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October 3: Carrie Underwood sparkled during the Grand Ole Opry's 90th birthday concert in Nashville.
Photo: Getty Images
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October 3: Doutzen Kroes coordinated with Constance Jablonski and Francisco Costa for the Vogue bash in Paris.
Photo: Getty Images
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October 3: Rihanna with Travis Scott and Kanye West caught up at the Vogue 95th anniversary celebration in Paris.
Photo: Getty Images
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October 3: Lady in red! Lady Gaga, in Brandon Maxwell, with fiancé Taylor Kinney had a fun date night at the 'American Horror Story' premiere in L.A.
Photo: Getty Images
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October 2: 'Mad Men' might have taken a final bow, but the show's young actress Kiernan Shipka is just getting started as a fashion star, standing out in stripes at the Teen Vogue party.
Photo: Getty Images
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October 2: Mark Wahlberg and wife Rhea brought their daughter Ella out to support Operation Smile during their gala in L.A. at the Beverly Wilshire.
Photo: Getty Images
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October 2: 'Modern Family' starlet Sarah Hyland was also among the best-dressed guests at the Teen Vogue bash.
Photo: Getty Images
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October 2: Chrissy Teigen showed off her casual side during The International Style Institute at L.A.'s The Grove presented by Anita Patrickson and Simply Inc.
Photo: Bryan Beasley
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October 2: Cindy Crawford's look-alike daughter Kaia Gerber struck a pose at Teen Vogue's 13th Annual Young Hollywood Issue Launch Party in L.A.
Photo: Getty Images
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October 1: Work it Kenny! Kendall Jenner strutted her stuff during the Balmain presentation during Paris Fashion Week.
Photo: Getty Images
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October 1: Hot mamas! Kris Jenner and Jada Pinkett Smith looked stunning during the Balmain Paris after party.
Photo: Getty Images
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October 1: What haters? Gigi Hadid owned the runway during the Balmain show in Paris.
Photo: Getty Images
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October 1: Jared Leto matched is hair with his shirt but still remained easy on the eyes during the Balmain soirée.
Photo: Getty Images
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October 1: Amigos forever! Rande Gerber, Cindy Crawford and George Clooney celebrated their success during the Casamigos tequila and Cindy Crawford's 'Becoming' book launch party in London.
Photo: Getty Images
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October 1: Nick Jonas performed his sexy tune "Levels" for the crowd during Canada's We Day in Toronto.
Photo: Getty Images
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October 1: In the news for going makeup (and clothing) free in Vanity Fair, Demi Lovato was glowing as she also helped celebrate We Day.
Photo: Getty Images
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October 1: Martha Hunt wore a UNIQLO x Lemaire at the pre-shopping event in NYC for the collection.
Photo: Getty Images
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October 1: Trick or Treat! Vanessa Hudgens had some fun at the Knot's Scary Farm kick off event in Buena Park, California.
Photo: Getty Images
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October 1: Nicole Richie proved that she still has her edge and knack for fashion during the House of Harlow event in Woodland Hills, California.
Photo: Getty Images
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September 30: 'Orange is the New Black' star Taryn Manning played DJ during Bounce Sporting Club's 4th anniversary in NYC.
Photo: Jerritt Clark/ Wire Image
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September 30: Jason Biggs looked dapper in Penguin during PETA's 35th Annual Anniversary Gala.
Photo: Getty Images
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September 30: Sarah Jessica Parker dazzled and showed a little leg while attending the NYC Fall Ballet Gala.
Photo: Getty Images
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September 30: Jennifer Hudson was reunited with her 'Sex and the City' co-star during the NYC Ballet Fall Gala.
Photo: Getty Images
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September 30: Tom Hiddleston flashed his lovely smile during the 'Crimson Peak' photo call in Berlin.
Photo: Getty Images
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September 30: Snoop Dogg aka DJ Snoopadelic kept the crowd including Scott Disick moving during his set at NYC hot spot 1OAK.
Photo: Getty Images
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September 30: (left to right) Chris Pine, Simon Pegg and Zachary Quinto attended the 'Star Trek Beyond' press junket in Dubai.
Photo: Getty Images
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September 29: Drew Barrymore and Toni Collette worked the pink carpet during the 'Miss You Already' premiere in Sydney, Australia.
Photo: Getty Images
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September 29: Karlie Kloss took a break from classes for the Vogue China's 10th anniversary event in Milan.
Photo: Getty Images
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September 30: The force is in the fashion! Jamie Chung sported Kohl's Rock and Republic Star Wars t-shirt during an outing with her dog in L.A.
Photo: StarTraks
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September 29: Joe Jonas and his new band DNCE performed and celebrated Vitamin Water's 5th anniversary at the Fader's #uncapped concert in New York City.
Photo: Getty Images
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September 29: Naomi Campbell merged her two worlds, fashion and giving back, during the Fashion 4 Development First Ladies luncheon in NYC.
Photo: Getty Images
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September 29: Victoria Beckham shared a few words on stage at the 5th annual Fashion 4 Development First Ladies Luncheon in NYC.
Photo: Getty Images