Celeb Hair Makeovers: Better Before or After?

These stars are crossing into new hair-itory (sorry – we couldn't resist!). Check out Jessica Alba's chic new bob, Hilary Duff's blue mermaid hair, Lena Dunham's piecey pixie and these other major mane changes

JULIANNE HOUGH

Apparently short hair do care. Julianne bucked the trend and added extensions to her shoulder-length hair, captioning her Instagram, "#changeisgood."