Jessica Simpson shared several photos to Instagram from her birthday, as the singer turned 45 on July 10, and her sheer gown is definitely one of the sexier looks we’ve seen from the “With You” artist:

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.

After years of a bleached blonde look, Jessica Simpson has been slowly darkening her locks over the past few months. It began with a dramatic "desert sunset blonde" transformation in May—and now, to mark her 45th birthday, the singer has gone even darker.