Transcript for Katy Perry addresses Taylor Swift feud, cultural appropriation on livestream
And finally tonight, her fans might say there is no such thing as too much Katy Perry, but this weekend she got close. ??? this weekend Katy Perry hoping to heal the bad blood between her and fellow pop star Taylor Swift. I forgive her, and I'm sorry for anything I ever did. That moment captured during the 96 hours of all Katy all the time thanks to a 41-camera livestream promoting her newly released album "Witness." This is my bare skin. Reporter: It was a rare unfiltered marathon look at a high-wattage personality. The 32-year-old singer confronting the backlash she received for her music video "This is how we do." I see you. In my intention to admire a culture and appreciate, I actually appropriated. I actually made a mistake because I didn't educate myself. Reporter: And even revealing her battle with depression in a live therapy session. It's hard because I feel ashamed that I would even like have those thoughts, you know, and feel that low or that depressed. Okay. Reporter: Getting by with a little help from her famous friends. Because they're just like let it go. Reporter: Finding her zen with "Modern family" star Jesse Tyler Ferguson. We're just two happy babies. This is so fun. Reporter: And sharpening her cooking skills with celebrity chef Gordon Ramsey. Are you with me? No, I'm not with you, Gordon Ramsey. Reporter: The live stream concluding today with a private concert for 1,000 of her luckiest fans.
This transcript has been automatically generated and may not be 100% accurate.