Article continues below advertisementJessica Simpson flaunted her new hair with a sultry photo in bed.In a snapshot from Tuesday, February 10, the singer, 45, sported fresh brunette locks as she posed for the camera in a long black dress and stilettos adorned with hearts from her own footwear brand.Article continues below advertisementSource: @jessicasimpson/InstagramJessica Simpson has new brown hair."Some people wear their heart on their sleeve, I wear my heart on my feet 😜," she captioned her post.Fans gushed over the pop star in the comments section and claimed she's "aging backward.