Ashlee Simpson

Ashlee Simpson-Wentz has jumped on the pixie cut bandwagon.

After promising to "try and sneak a pic to post" of his wife's new platinum blond, cropped 'do on Twitter on Sunday, Pete Wentz made good on his word Tuesday, tweeting a photo of Simpson-Wentz and their 1-year-old son, Bronx.

Check out Ashlee Simpson-Wentz's old hairstyles

"Yah fam headed out tonight stoked!" he wrote. "Cute hair mama!"

A natural blonde, Simpson-Wentz is known for her frequent hairstyle changes, having sported brown, black and red shades in the past.

Emma Watson debuts new pixie haircut

What do you think of Ashlee's new look? Which color do you think looks best on her?