Take it from celebrity style icons like Gwen Stefani and Christina Aguilera—red lips never go out of style. Paired with minimal eye makeup and a dewy, natural complexion, red lips can make a statement all on their own, regardless of the time of year. And unlike other dramatic makeup looks, says Schwartz, red lips can go from day to night. "Everyone loves a berry-red pout to glam themselves up," she says. "It takes you from the office to cocktail hour."