AnnaLynne McCord goes brunette

(CBS) AnnaLynne McCord stepped out on Wednesday with a dramatically different hair color.

The "90210" actress, known for her blonde hair, is now a brunette.

Pictures: Stars' changing looks

Us magazine has a photo of the new look, which McCord said is for a movie role.

"Okay! I'm NOT leaving 902 and the hair is for a movie I'm shooting right now. I adore all of you!! Xxx ," she tweeted last week.

"90210" will return for a fourth season on the CW this fall.