1. Justin Bieber, "All Bad" Stringer / Reuters There are sooooo many reasons you should not be singing this line, Biebs. 2. Jason Derulo, "Talk Dirty" Lucas Jackson / Reuters Yes, I guess you could. 3. Katy Perry, "This Is How We Do" Lucas Jackson / Reuters / Reuters No one is more worthy of respect. 4. Miley Cyrus, "#GETITRIGHT" Christopher Polk / Getty Images for Clear Channel You're in front of a mirror, Miley. You can just look down and check. 5. Kings of Leon, "Temple" Shirlaine Forrest / WireImage Watch out, buddy, or you're going to jail. 6. Selena Gomez, "B.E.A.T." Lucas Jackson / Reuters DO NOT SAY THIS, SELENA! This does not sound good, Selena! 7. Lady Gaga, "Applause" Lucy Nicholson / Reuters This is a straw man argument, Lady Gaga. NO ONE HAS EVER SAID THIS. 8. Childish Gambino, "3005" Paul Butterfield / Getty Images for Coachella C'mon, dude. Seriously. 9. Nick Cave and the Bad Seeds, "Mermaids" Greetsia Tent / WireImage Ew, no. 10. Robin Thicke, "Blurred Lines" Christopher Polk / Getty Images for Clear Channel Oh man, Robin. So many things! 11. Jay Z, "Heaven" Benoit Tessier / Reuters Is Jay Z even trying anymore? 12. Jay Z, "Tom Ford" Ollie Millington / WireImage No, he is not. 13. Jay Z on Drake's "Pound Cake" Benoit Tessier / Reuters Not even a little bit. 14. Migos, "Versace" But he's not alone in that. 15. Drake, "Versace" Michael Buckner / Getty Images for Bing Is that a threat? 16. Geri Halliwell, "Half of Me" Uhhhh.....girl power? 17. Jason Derulo, "Marry Me" Olivier Douliery/Abaca Press / MCT And not one second longer! 18. The Wanted, "Walks Like Rihanna" ...what? Since when does Rihanna have a distinctive walk? 19. Eminem, "Survival" Jumana El Heloueh / Reuters Well, congratulations for multi-tasking. 20. Miley Cyrus, "4x4" Lucy Nicholson / Reuters TMI, Miley. 21. Katy Perry, "Double Rainbow" Ethan Miller / Getty Images for Clear Channel Lightning has no sound, Katy. 22. R. Kelly, "Cookie" Andrea De Silva / Reuters This is not what anyone means by "rough sex," Kells. 23. Cam'ron, "Go Outside" Larry Busacca / Getty Images for Pepsi Actually, you know what? Never mind. This one is genius.