Buzz·Posted on Jun 25, 2015If Pop Stars Were Honest On InstagramI'm just posting this for promo.by Kelcie WillisBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Rihanna 2. Christina Aguilera 3. Jennifer Lopez 4. Nicki Minaj 5. Britney Spears 6. Lady Gaga 7. Taylor Swift 8. Selena Gomez 9. Justin Bieber 10. Mariah Carey 11. Nick Jonas 12. Katy Perry 13. Madonna 14. Ariana Grande 15. Miley Cyrus 16. Justin Timberlake 17. Beyoncé