Characteristics of the Look:
slim fits.
bright colors.
Tips:
Go skinny. These days, Hayley virtually only wears skinny jeans.
Love the 80s. Hayley's acid wash jeans and bright colors are very 80's.
Wear bright colors. Hayley does wear plain blue denim, but she never wears brown or beige. Black and white are more vibrant and fun neutrals.
Cuff it. Hayley looks cute when she cuffs the bottom of her jeans.