The former Gossip Girl co-stars posed together for a group photo inside the party.
The Sports Illustrated Swimsuit model made a statement in a black crop top and belted skirt.
The Riverdale actress made a sartorial splash in a lace black and red print dress.
The actress layered up on the red carpet.
The star-studded couple turned the party into a fashionable date night, sporting a blush gown and black suit with navy striped accents.
The 13 Reasons Why star made a splash in a black suit and plaid-trimmed sneakers.
The directors playfully embraced for the cameras.
The actress stunned in a black leather mini with mint ruffle accents.
The Star Trek star smirked as he posed in an olive suit.
The This Is Us actor was clearly not afraid of a fashion risk as he sported a playful floral print suit and hat.
The Suicide Squad star and his girlfriend were a picture-perfect couple on the red carpet.
The Good Time actor rocked an all-black ensemble at the party.
The This Is Us star looked dapper in a maroon suit jacket and frames.
The rapper and his leading lady coordinated in all black and white looks.
The British rapper brought some flair to the carpet with this scales medallion necklace.
The Jurassic World actor kept his look traditionally cool with a blue suit.
The rapper headed into the party sporting a bold orange suit with black sneakers.
The Westworld star sported a navy suit alongside his girlfriend, who looked chic in a feathered frock.
The actor made a statement in a camel double-breasted suit.
The acclaimed Call Me by Your Name star showed up to the party in a patterned gray suit.
The America's Next Top Model winner posed like a pro in a red velvet suit.
The singer shone on the red carpet in a silver ensemble paired with matching heels.
The Call Me by Your Name star and his beloved wife were caught in a candid moment as they embraced in front of the cameras.b
The actor and his 15-year-old son smiled together for the cameras.