In one day, Dove Cameron went from natural and fresh-faced to super glam for the red carpet! The actress attended the Alzheimer's Association Night at Sardi's event, and wore dramatic eye makeup and the most stunning glossy red lipstick for the occasion.
More stars, like Janel Parrish, Katie Stevens, and more also channeled their best diva styles for the benefit.
Click through the gallery to see more pics of the stars who attended this important event. Then, let us know what you think of everyone's styles by commenting below.