Celebrity·Posted on Feb 24, 201717 Celebrity Instagrams You Need To See This WeekHere's what happened this week.by Lauren YapalaterBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Zac Efron and his brother went to the woods. 2. The Rock went to In-N-Out. 3. Katy Perry was woman. 4. John Legend practiced piano with his daughter. 5. Jennifer Lopez was fabulous. 6. Mariah Carey and her kids met a penguin. 7. Joe Jonas saw himself. 8. Oprah made margaritas. 9. Gerard Butler showed off his fighter's stance. 10. Beyoncé and Blue Ivy were deers. 11. Chris Pratt caught a fish. View this photo on Instagram 12. Dax Shepard was a lazy boy. 13. The Mad Men girls reunited. 14. Ariana Grande went for a spin. 15. Blake Lively was in a sea of pinks. 16. Rita Ora had a pizza party. 17. And Melissa Joan Heart wore the face mask of your nightmares.