Some of Hollywood's biggest names made their way to the Los Angeles County Museum of Art for the annual Art+Film Gala on Saturday, and each one was dressed to impress. Gwyneth Paltrow [1], Amber Valletta, Jared Leto [2], and Usher [3] all walked the red carpet, along with Reese Witherspoon [4], who arrived with her husband, Jim Toth. Kim Kardashian stepped out in her sexiest maternity outfit [5] yet and posed for photos with Naomi Campbell [6] and Givenchy designer Riccardo Tisci, while Dakota Johnson [7] was accompanied by her brother Jesse. The event, which honored artist James Turrell and filmmaker Alejandro G. Iñárritu, was cochaired by LACMA trustee Eva Chow and Leonardo DiCaprio [8], who brought along his girlfriend, Kelly Rohrbach. Keep reading to see all the celebrities who lit up the party and more fun moments from the evening.

Reese Witherspoon

Salma Hayek and Francois-Henri Pinault

Leonardo DiCaprio

Joshua Jackson and Diane Kruger

Amber Valletta

Jared Leto

Gwyneth Paltrow

Dakota Johnson

Kim Kardashian and Naomi Campbell

Usher

Diane Kruger and Jared Leto

Gwyneth Paltrow

Chloe Sevigny

Reese Witherspoon and Jim Toth

Salma Hayek

Leonardo DiCaprio

Diane Kruger and Jared Leto

Rosie Huntington-Whiteley, Salma Hayek, Jason Statham, and Francois-Henri Pinault

Reese Witherspoon

Kim Kardashian, Naomi Campbell, and Jeremy Scott

Diane Kruger

Gwyneth Paltrow

Dakota Johnson

Salma Hayek and Francois-Henri Pinault

Riccardo Tisci and Kim Kardashian

Jared Leto

Usher

Naomi Campbell, Riccardo Tisci, and Kim Kardashian

Gwyneth Paltrow

Leonardo DiCaprio

Diane Kruger and Joshua Jackson

Dakota and Jesse Johnson

Salma Hayek

Kim Kardashian

Diane Kruger and Joshua Jackson

Rosie Huntington-Whiteley and Jason Statham

Kim Kardashian and Naomi Campbell

Dakota Johnson

Rosie Huntington-Whiteley and Jason Statham

Leonardo DiCaprio

Rachel Roy and Kim Kardashian

Dakota Johnson, Francois-Henri Pinault, Salma Hayek, and Jesse Johnson