Best & Worst Celebrity Red Carpet Hair, Makeup, Beauty Looks

The 2013 Screen Actors Guild Awards are this Monday, and we'll be celebrating 19 years of the show's glamorous red carpet. Before we see how our favourite stars are doing their hair and makeup this year, though, take a look back at some of the most memorable beauty moments from years past. Whether they inspired you or made you do a double take, these aren't looks you're likely to forget. Click through the gallery, then be sure to catch all of Monday's SAG Awards red-carpet action right here BellaSugar!

— Additional reporting by Kaitlyn Dreyling