A beauty look can make or break a red carpet outfit.
Sure, the dress is important, but nailing the hair and makeup is crucial to transform any look from incredible to iconic.
Case in point? Blake Lively's divine spiked headpiece and soft glow at the Met Gala, which took her Versace gown to a whole new level.
Below, we round up 12 of the most iconic beauty moments from the red-carpet in recent years.