Brad Pitt, Margot Robbie & Leonardo DiCaprio Huddle At ‘Once Upon A Time In Hollywood’ Premiere [PHOTOS]

Once Upon A Time in Hollywood had its first premiere in Los Angeles and many celebrities walked the red carpet for the highly anticipated film.

In attendance were stars Brad Pitt, Margot Robbie and Leonardo DiCaprio. Pitt wore a David August Couture suit with the jacket unbuttoned and a white collared shirt that also had the top few buttons left open. This allowed for a more relaxed look.

Robbie wore an off-white Chanel dress that left part of the chest bare, for a sexy look. The dress had ruffled detailing and a ribbon to cinch her waist. Her hair had classic waves that fit the ’70s theme of the film, and she wore long silver earrings.

DiCaprio wore a navy blue Georgio Armani suit.

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Other A-list celebrities were also in attendance, such as Brittney Spears, Vanessa Hudgens, Travis Scott, Maya Hawke, Austin Butler and Adriana Lima.

Once Upon A Time in Hollywood first premiered at the Cannes Film Festival and received a seven-minute standing ovation. The film follows Rick Dalton (DiCaprio), a struggling actor and his stunt double Cliff Booth (Pitt) as they try to keep their careers in the show business. Their stories intersect with the real-life event of when Sharon Tate (Robbie) moved into the neighborhood and was murdered by members of Charles Mason’s (Damon Herriman) cult.

The film also marks Luke Perry’s final role prior to his death in March.

“He couldn’t have been a more friendly, wonderful guy to spend time with,” Pitt told Esquire. “I got to sit down and have some wonderful conversations with him.”

The film was released on July 26.