Jessica Simpson showed off a darker hair transformation in an Instagram post on July 11, as she continued to mark celebrations for her 45th birthday. The actress and singer, who wore a sexy, see-through dress,

New year, new hair! Jessica Simpson showed off a darker hair color to celebrate her 45th birthday on Thursday, July 10. The usually-platinum blonde singer had a noticeably smokier shade to her hair in a carousel of photos from birthday celebrations that she belatedly shared on Friday,

Jessica Simpson stepped out on her birthday with a brand new look. Simpson, who turned 45 on July 10, shared several photos from her celebration at Chateau Marmont on Instagram July 11.