The 2018 Golden Globes haven't started yet but the arrivals have. As expected, many actresses are showing their support for the movement to end sexual harassment and inequality in the entertainment industry — and they're doing it with their choice of clothing. They're wearing all black gowns. 

The coordinated wardrobe blackout is part of Time's Up, an ambitious initiative to fight sexual harassment in Hollywood and other industries. Approximately 300 prominent actresses, filmmakers, agents and executives — including Shonda Rhimes, America Ferrera, Eva Longoria, and Reese Witherspoon — have signed on to the campaign.

Time's Up has created a $13 million legal defense fund to help people who have experienced workplace harassment.

Campaign organizers are supporting legislation that would forbid the use of nondisclosure agreements to silence victims. They're also pushing for gender parity at studios and talent agencies.

As part of Time's Up, they're encouraging Golden Globes attendees to wear black. Many have heeded the call.

According to the Hollywood Reporter, representatives from L.A.'s fashion and accessory showrooms are "reporting a run on all-black clothing, from gowns to cocktail dresses to men's suits."

Several men have turned up at the Golden Globes wearing black "Time's Up" pins on their lapels.

It's probably a safe bet that none of those gowns on the red carpet were designed by Marchesa.