If you're in need of covering up a bad hair day, then this fall/winter trend we're seeing on celebrities may be for you, too!

We already know that male celebs like Justin Bieber and Russell Brand can pull off a beanie, but does it work for the ladies, as well?! This week, we're breaking down how female celebs are wearing beanie hats, even in warmer weather, and whether or not the trend can stand the test of time!

Click after the jump to check it out and let us know whether you think this trend is totally fabulous, or just a passing fad.