Ten celebs who go from minimal to massive hair 'dos!

Tia Williams
Jul, 28, 2011

This summer, the hottest hair trends are all about extremes; styles are either super-sleek (think tight ponytails and updos) or ultra-full (fluffy curls and beachy waves).

Here, ten trendsetting tress superstars show off both looks. Let us know which you like best in the comments sections!