Backstreet Is Back and So Is Ballet

In case you missed them, here are all the top party stories of the week.

The Backstreet Boys

Balmain x H&M Takes Over NYC With the Backstreet Boys, burgers, and a couple of Jenners.

Kim Kardashian and Kanye West Toast New Designers The Wests co-hosted the 2015 CFDA/Vogue Fashion Fund fashion show at the Chateau Marmont in Los Angeles on Tuesday. See all the photos from the event here.

The Art World Honors Lady Gaga On Monday evening Lady Gaga accepted the Young Artist Award at the 2015 National Arts Awards hosted by The Americans for The Arts at Cipriani in New York City.

Public School Throws a Pizza Party The designers celebrate their collaboration with Tumi in Brooklyn.

Amy Schumer Speaks for Women in Hollywood On Monday night, Amy Schumer, Dakota Johnson, and Ava DuVernay gathered at Four Seasons Beverly Hills Hotel in Los Angeles for the 22nd annual ELLE Women in Hollywood celebration.

Amy Adams Is a True Inspiration The actress talks about being the face of Max Mara’s new bag—and reveals her beauty secrets—at a party in New York.

Gwyneth Paltrow Plays Polo With January Jones, Nacho Figueras, and her kids at the Sixth-Annual Veuve Clicquot Polo Classic.

Toasting an Endless Summer Tome extends the season for Elyse Walker.

Elisa Sednaoui Is Opera Ready Buccellati celebrates its new jewelry collection.

Mark Ruffalo Throws a House Party With Julianne Moore, Naomi Watts, and Susan Sarandon.

The American Ballet Theatre’s 75th Anniversary Bash Recently crowned principal Misty Copeland found time for a selfie with Laverne Cox.

Calvin Klein Hosts a Concert With Twin Shadow and Ryn Weaver.

A Koons Collab Justine and Jeff Koons celebrate the new jewelry line Gus and Al.

An Art House Party RH Modern opens in the Flatiron District.

The Stars Aligned Bruno Frisoni of Roger Vivier wins big at the Annual Night of Stars.

Dinner at The Waverly Inn With Charlotte Olympia Dellal and her cousin, the DJ-turned-It Girl Harley Viera-Newton.

Joe Jonas DJ’ed for Charli XCX At her Boohoo collaboration launch party.

Diamonds Are Forever

Laverne Cox and Misty Copeland. Photo by Kelly Taub/

Hilaria and Alec Baldwin. Photo by Kelly Taub/

Jessica Stam, Carlos Souza, and Isabella Boylston. Photo by Kelly Taub/

Pamela Love and Crystal Renn. Photo by Kelly Taub/

Olu Evans and Misty Copeland. Photo by Kelly Taub/

Jennifer Tilly. Photo by Kelly Taub/

Isaac Mizrahi. Photo by Kelly Taub/

Fe Fendi. Photo by Kelly Taub/

Laverne Cox and Nicole Sherzinger. Photo by Kelly Taub/