Katy Perry, Ashton Kutcher, and more celebrities are coming to Ellen Degeneres' defense

Ellen DeGeneres is the host of the popular talk show "The Ellen DeGeneres Show."Steve Granitz/WireImage

• Celebrities are defending Ellen DeGeneres amid allegations that she mistreated people and fostered a toxic work environment at "The Ellen DeGeneres Show."
• Figures like Katy Perry, Ashton Kutcher, and Kevin Hart have opened up about their own positive experiences with the comedian in the midst of the criticism.
• Insider rounded up a list of the stars who are standing up for the talk-show host.

After current and former staffers accused Ellen DeGeneres of contributing to a "toxic work culture" at "The Ellen DeGeneres Show," the talk show host's famous friends began rallying to support her.

Celebrities like Katy Perry, Ashton Kutcher, and Kevin Hart have shared messages on social media attesting to DeGeneres' character — despite recently surfaced allegations of sexual misconduct, racism, and mistreatment of others on her show.

And, after speaking up in defense of DeGeneres, many stars have also faced backlash from fans who pointed out that their experiences as A-listers or guests on her show aren't equivalent to the experiences of people who have worked for her.

Here's what DeGeneres' friends are saying about the comedian amid the criticism.