The pursuit of thicker, longer hair has become increasingly popular in Hollywood over the years with stars -- like Britney Spears and Nicole Richie -- going to great lengths to achieve fuller hair with hair extensions. While this temporary fix seems like an instant way to bulk up your strands, the results can lead to one hair-raising situation. So just for some good ol' hairy fun, click through as we countdown the worst celeb hair extensions.
No. 15: Reese Witherspoon
Kicking off our countdown is Reese, who has proved that even America's sweetheart can have a bad hair day. What?! You can’t see that weft peeking out?