Best way to lighten already blonde hair?

how do i lighten my naturally blonde hair? its already pretty blonde, but i want it to be this blonde:

http://www.oceleb.com/img/elisha-cuthber...

what should i use?

Best way to lighten already blonde hair?

bleach it

all over high lights

or try sun in, if theres no sun just use a blow dryer

Best way to lighten already blonde hair?

Bleach it first, then use a dye that is like a shade lighter than what you want. Good luck!