The Disaster Artist won Best Comedy and its star James Franco also won an award, for best actor in a comedy but wasn't in attendance, possibly taking a back seat after accusations of sexual misconduct.
Guillermo del Toro's fantasy romance, "The Shape of Water", was the top film victor with four awards.
The Critics Choice Awards continued Hollywood's support of the recent #TimesUp movement. He said, "For everyone, that has been unequal in working with women.... And let me tell you one thing: If you don't do that, you don't know what you're missing!"
Other actresses who wore black to the Critics' Choice Awards included Elisabeth Moss, whose black dress had a attractive floral display, Laura Dern, who rocked a tuxedo-esque jumpsuit, and Margot Robbie, who belted her gown with an oversized, decorated jeweled belt.
Kidman thanked the entertainment community "who show up to make really fantastic films and TV and let us do what we love".
The Critics' Choice Awards was the first show following the massive statement made at the Golden Globes, where mostly all attendees wore black to bring awareness to sexual assault and misconduct across the workforce.
'I don't think anyone is doing something just to shock or be malicious.
Call Me by Your Name and Get Out claimed film screenplay honours, the latter winning best sci-fi/horror film as well.
Hemsworth presented the best actress award to an absent Frances McDormand for "Three Billboards Outside Ebbing, Missouri".