Olivia Wilde takes the plunge as she joins Janelle Monae

Olivia Wilde takes the plunge as she joins Janelle Monae and Natasha Lyonne as she leads the cast of stars at Universal's party at the Sunset Tower Hotel

Olivia Wilde, Janelle Monae and Natasha Lyonne led a troupe of A-list celebrities at a Universal party on Friday night.

Numerous stars flocked to the Sunset Tower Hotel in West Hollywood to attend the venerable studio's awards bash.

Among them was Olivia, 39, who showed off a generous amount of cleavage in a skin-tight black dress that highlighted her supermodel figure.

The “Don't Worry Darling” director dances in a sky-high pair of stiletto slingbacks and accessorizes with a sleek black clutch.

She accentuated her screen siren features with makeup and wore her silky curtains of caramel hair in soft waves.

Olivia Wilde and Natasha Lyonne led a troupe of A-list celebrities at a Universal party on Friday night Letting her signature mane of fiery red hair fly free, Natasha wrapped her lithe figure in a floor-length earth-tone dress with a faux turtleneck

Olivia Wilde (left) and Natasha Lyonne (right) led a troupe of A-list celebrities at a Universal party on Friday night

Janelle Monae was as fashion conscious as ever in a black and gray look that included a crop top with suspenders and a stylish wide-brimmed hat

Janelle Monae was as fashion conscious as ever in a black and gray look that included a crop top with suspenders and a stylish wide-brimmed hat

Numerous stars flocked to the Sunset Tower Hotel in West Hollywood to attend the venerable studio's awards bash

Numerous stars flocked to the Sunset Tower Hotel in West Hollywood to attend the venerable studio's awards bash

Meanwhile, Natasha let her signature mane of fiery red hair fly free and wrapped her lithe figure in a floor-length earth-tone dress with a faux turtleneck.

Janelle was as fashion forward as ever in a gray and black look that included a crop top with suspenders and a stylish wide-brimmed hat.

Brendan Fraser, almost a year after his Oscar win for his whirlwind comeback in The Whale, was seen at the party chatting with girlfriend Jeanne Moore.

Emily Blunt, whose hair is currently dirty blonde, arrived at the party in high spirits, where Snoop Dogg was spotted in an eye-catching tracksuit.

The Sunset Tower Hotel has also played host to international guests including Britain's renowned stage and screen star Helen Mirren.

Helen, who began her career as the “Sex Queen of Stratford” during her time with the Royal Shakespeare Company, exuded sophisticated elegance at the bash.

She wrapped a midnight blue coat over simple black and accessorized with a subtle gold pendant and a light purple leather handbag.

The age-defying beauty was spotted in the company of her husband, Ray director Taylor Hackford, as well as Oppenheimer star Cillian Murphy, who recently won a Golden Globe for the title role.

Hollywood heartthrob Dwayne “The Rock” Johnson was seen posing up a storm in a suede bomber jacket over a T-shirt that clung to his muscular torso.

Edgar Ramirez, who played the title role in “The Assassination of Gianni Versace: American Crime Story,” flashed his dashing smile as he raised his knees.

Among them was Olivia, 39, who showed off a generous amount of cleavage in a slinky black dress that highlighted her supermodel figure

Among them was Olivia, 39, who showed off a generous amount of cleavage in a slinky black dress that highlighted her supermodel figure

Brendan Fraser, who is almost a year away from winning an Oscar for his stormy comeback in The Whale, was seen there chatting to his girlfriend Jeanne Moore

Brendan Fraser, who is almost a year away from winning an Oscar for his stormy comeback in The Whale, was seen there chatting to his girlfriend Jeanne Moore

Emily Blunt, whose hair is currently dirty blonde, was in great spirits at the party Snoop Dogg was spotted in a sizzling tracksuit

Emily Blunt, whose hair is currently dirty blonde, arrived at the party in high spirits, where Snoop Dogg was spotted in an eye-catching tracksuit

The Sunset Tower Hotel hosted an international guest including Britain's renowned stage and screen star Helen Mirren.  She starred with her husband, Ray director Taylor Hackford and Oppenheimer star Cillian Murphy

The Sunset Tower Hotel hosted an international guest including Britain's renowned stage and screen star Helen Mirren. She starred with her husband, Ray director Taylor Hackford and Oppenheimer star Cillian Murphy

Hollywood heartthrob Dwayne

Hollywood heartthrob Dwayne “The Rock” Johnson was seen posing up a storm in a suede bomber jacket over a T-shirt that clung to his muscular torso

Edgar Ramirez, who played the title role in

Edgar Ramirez, who played the title role in “The Assassination of Gianni Versace: American Crime Story,” flashed his dashing smile as he raised his knees

Robert Downey Jr. arrived at the star-studded blowout party on the arm of his wife Susan, with whom he will celebrate his 20th anniversary next year

Robert Downey Jr. arrived at the star-studded blowout party on the arm of his wife Susan, with whom he will celebrate his 20th anniversary next year

Jane Seymour, the medicine woman icon from Dr.  Quinn, epitomized business chic in a crisp cream pantsuit with silver floral embroidery

Jane Seymour, the medicine woman icon from Dr. Quinn, epitomized business chic in a crisp cream pantsuit with silver floral embroidery

Ron Howard's

Ron Howard's “Nepo Baby” Bryce Dallas Howard, who showed off her hourglass figure in a skin-tight dress, was hugged by her husband Seth Gabel

Modeled in head-to-toe black, the handsome Venezuelan actor let a hint of unkemptness grow across his matinee idol's features.

Robert Downey Jr. arrived at the star-studded blowout party on the arm of his wife Susan, with whom he will celebrate his 20th anniversary next year.

Jane Seymour, the medicine woman icon from Dr. Quinn, epitomized business chic in a crisp cream pantsuit with silver floral embroidery.

Ron Howard's “Nepo Baby” Bryce Dallas Howard, who showed off her hourglass figure in a skin-tight dress, was hugged by her husband Seth Gabel.