A bounty of stars got all glammed up for the Academy Museum of Motion Pictures gala in Los Angeles on Saturday evening.
Originally slated to open in 2017, the $484 Million museum was made possible by many high profile Hollywood donors who helped fund the first-ever space dedicated to all things movies.
At the glitzy event Nicole Kidman, 54, dazzled in a nude dress that was embellished with red sequined flowers which she paired with pointy brown pumps.
Kate Hudson, 42, played with proportions as she modeled a beaded black top with structured shoulders and a tiny leather mini skirt that showed off her legs.
And Lady Gaga, 35, opted for classic Hollywood glamour as she made her green carpet debut in a black velour dress with dramatic powder blue sleeves.
All the glamour: Nicole Kidman and Lady Gaga did not disappoint as they arrived in eye-catching gowns
Girl power: Gaga and Katy, whose fans often rival on social media, proved there is enough space in the pop culture sphere for the both of them as they posed for a friendly snap outdoors
Engaged: Katy cozied up to her fiance Orlando Bloom, who looked dapper in a velvet tuxedo
Icon: Cher showed off her wild side in leopard pants as she posed with Bob Mackie
Showing off her newly dark hair Katy Perry, 36, wore a latex dress with pocket detailing while making an appearance with fiance Orlando Bloom, before posing for a photo with Gaga.
The very stacked guest list also saw the likes of Cher, Tom Hanks and Rita Wilson, Gabrielle Union, Selma Blair, Sarah Paulson, Laura Dern, Eva Longoria and Issa Rae.
At the event Italian screen legend Sophia Loren, 87, was honored as well as independent filmmaker Haile Gerima.
Others including Hanks, Annette Bening and Bob Iger were also set to be given special nods for helping to raise the