In case you didn't know, Katy Perry holed herself up in a Big Brother–style house for four days straight to promote her new album, Witness.
2. Admit that she wrote a song about Josh Groban.
4. Have very serious discussion with Sia while Sia was wearing a clever new disguise.
5. Lay in a geodesic dome with her dog Nugget.
6. Stare at an ant farm.
7. Cook with Gordon Ramsay.
8. Give Anna Kendrick a reason to say "tits."
10. Cuddle Nugget.
11. Go through an intense therapy session.
12. Make this face to the camera:
13. Bond with RuPaul.
And pray with RuPaul.
14. Lie in bed with a teddy bear.
15. Lift weights.
16. Have her mind blown by Neil deGrasse Tyson.
18. Cuddle Nugget some more.
19. Talk about cultural appropriation and her guide, Cleo.
20. Dance with Left Shark.
21. More yoga, but this time with Nugget doing a literal downward dog.
23. Sing with Pentatonix.
24. Give skin care advice...
25. ...makeup tips...
26. ...and other fun beauty routines.
27. Gaze at an iPad.
28. Make this face:
And then rank her ex-boyfriends by how they were in bed.
29. Play with her rings.
30. Give Nugget a haircut.
31. Critique old ~lewks~ with Jeremy Scott.
35. ...and this.
36. A lot of Katy doing nothing at all.
37. And of course, more sleep.
You can watch all the highlights from Katy's wild weekend here.
Have another favorite moment that didn't make the list? Leave it in the comments!