UPDATE: Jessica Simpson has officially transformed her look ahead of her concert this Sunday, unveiling a striking new hairstyle dubbed “hot chocolate brunette.” The 45-year-old singer shared her dramatic change on Instagram, revealing her departure from her long-time signature blond locks.

Simpson’s hair transformation was executed by her longtime colorist, Rita Hazan, who described the new shade as a deeper, moodier hue appropriate for Simpson’s evolving music style. The singer teased her fans with a video showcasing her fresh look while promoting her upcoming concert at Foxwoods Casino in Connecticut.

In a statement to People, Hazan explained the gradual process behind the color change, noting, “For years, we kept different variations of either blond or very blond. Just recently, I took her dirty blonde, and the shade continues to get deeper and more brunette.”

The process was meticulous, taking several hours as they adjusted the color to find the perfect tone. Hazan emphasized the importance of matching Simpson’s new look with her “very moody” music, stating, “I think her music is very moody, and her overall look has to match that vibe.”

Simpson’s change is part of a larger trend among celebrities, with stars like Kirsten Stewart and Ariana Madix also experimenting with darker shades. Hazan hinted at the possibility of further changes for Simpson, teasing, “This shade is pretty dark for her but maybe we could go a little darker.”

With her new hair and an exciting performance on the horizon, Simpson continues to captivate fans and set trends. Stay tuned for more updates as she embraces this new chapter in her career and style.