There are celebrity haircuts and then there are earthshaking, uber-dramatic, life-altering hair changes. Lucky for Kaley Cuoco, she has faired well on all sides of the spectrum. Take a stroll down memory lane of her most extraordinary hairstyles through the years.

The 8 Simple Rules alum kept her locks bright and sunny with a straight and sleek hairstyle at the ABC Upfront.

Pretty rebel Cuoco channeled an 80s hair band with a wild and crazy updo with long extensions for a fashion event in Beverly Hills.

Curly girl Cuoco looked sweet and wholesome with bouncy ringlets at the premiere of Bringing Down the House.

A neat top knot bun fits the bill for the Genesis Award Benefit Gala in Beverly Hills. Rock out  The star took her platinum strands to new heights with an edgy pompadour hairstyle at the Academy of Country Music Awards in Las Vegas.

Red carpet waves The gorgeous actress sported loose curls for the Emmy Awards in Los Angeles. Tons of texture! Cuoco perfected beach hair with a curly ombre bob at the Step Up Inspiration Awards in Beverly Hills.

The plenty of gorgeous A-listers around the room, Cuoco represented well with a neat pixie at the Elle Women in Hollywood Awards. Cuoco explained her inspiration to Us Weekly.  My inspiration was Michelle Williams in her Louis Vuitton campaign,” she told Us at an event in June 2014. I loved that haircut so much.