Jenny Chang / BuzzFeed 1. Lady Gaga Getty Images Kris Connor Diamonds aren't always a girl's best friend. 2. Laura Prepon Frazer Harrison / Getty Images Neither are tweezers. 3. Ariana Grande Getty Images for MTV Tristan Fewings Sometimes you can do too much. 4. Kathie Lee Gifford Getty Images Ilya S. Savenok Way too much. 5. Anthony Davis Getty Images Scott Halleran Other times, grooming can (like a basketball), get away from you. 6. Meagan Good Getty Images for JustFab Ari Perilstein If you're not careful, you can shape yourself into a perpetually stunned look. 7. Olivia Wilde Getty Images Tim P. Whitby Or pluck yourself into a corner. 8. Drake David Becker Sometimes your brows might need a little work. 9. Sophie Turner AFP / Getty Images JUSTIN TALLIS Other times, a little bit of brow pencil could do the trick. 10. Angelina Jolie AFP / Getty Images CARL COURT Just be careful not to fill your brows in too much. 11. Carrie Underwood Getty Images Frazer Harrison It's important not to get too arch. 12. Christina Aguilera Getty Images for Breakthrough Pr Steve Jennings Or turn yourself into a weird cartoon villain. 13. Pamela Anderson Getty Images Pascal Le Segretain Step away from the tweezers (and the brow pencil). 14. Carrot Top Getty Images for CineVegas Kevin Winter And let this be a warning. 15. Miley Cyrus W Magazine Take care of your brows. 16. Kim Kardashian View this photo on Instagram instagram.com Or you might lose 'em.