Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR1/23Julia Roberts and Ryan Murphy
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR2/23Gwyneth Paltrow in Ralph & Russo with Harry Winston jewelry
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR3/23Matt Bomer and Kenneth Cole
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR4/23Lady Gaga in Valentino with Harry Winston jewelry
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR5/23Zendaya
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR6/23Diane von Furstenberg and Sharon Stone
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR7/23Alessandra Ambrosio in Zuhair Murad Couture with Harry Winston jewelry
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR8/23Joshua Jackson and Diane Kruger in Carolina Herrera with Harry Winston jewelry
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR9/23Rosie Huntington-Whiteley in Saint Laurent with Harry Winston jewelry
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR10/23The scene inside the gala
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR11/23Chloë Sevigny
Photo: Courtesy of amfAR12/23Billie Lourd and Bryan Lourd
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR13/23Lucky Blue Smith
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR14/23Jaime King in Balmain with Harry Winston jewelry and Cuba Gooding, Jr.
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR15/23Barry Diller
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR16/23Angela Bassett and Cheyenne Jackson
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR17/23Emma Roberts in Harry Winston jewelry, Sarah Paulson, and Sarah Hyland in Jenny Packham
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR18/23Lisa Kudrow
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR19/23Andrea Fiuczynski hosting the auction
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR20/23Harry Brant and Lily Donaldson in Saint Laurent with Harry Winston jewelry
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR21/23Dylan Penn in Dsquared2
Photo: Frederick M. Brown, Stefanie Keenan, Kevin Tachman, and Jeff Vespa / Getty Images for amfAR22/23Michael Patrick King
Photo: Courtesy of amfAR23/23Lea Michele in Zac Posen with Harry Winston jewelry