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January is the best time of year to try a new lookjust askKaley Cuoco.

WESTWOOD CA  DECEMBER 17 Actress Kaley Cuoco attends the premiere of 20th Century Fox’s Why Him at Regency Bruin Theater…

Mike Windle/Getty Images

To show off the new color, Cuoco wore her hair in an elegant topknot with soft curtain bangs.

Celebrity hairstylist Christine Symonds created the look using Clairol Professional products.

This is not the first time Cuoco has experimented with her look.

Kaley Cuoco at the 80th Annual Golden Globe Awards

Daniele Venturelli

In 2014 she got a much-discussed pixie cut right before filming the eighth season ofThe Big Bang Theory.

I just fucking cut my hair off and didnt tell anyone, Cuoco said.

[Cocreator] Chuck [Lorre] hugged me and said, Wow, look at your hair!

and I said, Do you like it?

I dont know if I was being rebellious.

I mean, Ididdo it for the movie, which was my excuse to cut it.

At that point we were heading into our eighth season and something needed to shake up.