With her angsty former persona far in the rearview, the 19-year-old hitmaker debuted her first foray into the fragrance world with a stunning new ad on Wednesday..

Scent of a star: With her angsty former persona far in the rearview, Billie Eilish debuted her first foray into the fragrance world with a stunning new ad on Wednesday.

'I am SO EXCITED to finally share my debut fragrance 'Eilish' with you!!!!!!!!!!!!!! AHHHHHHHHHHHHHHHHHHHHHHHHHH!! this is a scent that i've been chasing for years and years. this is my favorite smell in the WORLD,' Billie enthusiastically shared in an Instagram post..

'I am SO EXCITED to finally share my debut fragrance 'Eilish' with you!!!!!!!!!!!!!! AHHHHHHHHHHHHHHHHHHHHHHHHHH!! this is a scent that i've been chasing for years and years. this is my favorite smell in the WORLD,' Billie enthusiastically shared in an Instagram post..

Along with the lengthy caption, Billie posed for a stunning advertisement for her Eilish scent..

She held a bottle of Eilish against her shoulder. The perfume bottle appeared to be a bronze bust of of the singer with the sculpture showing just the bottom portion of her face. 

On the fragrance's official Instagram, a second photo of Billie holding the bottle was shown, revealing more of the curvaceous bust sculpture. The post also added that the scent would be out sometime in the fall. 

Earlier this month Billie got the opportunity of a lifetime when she met the royal family at the London premiere of No Time to Die

Major: Earlier this month Billie got the opportunity of a lifetime when she met the royal family at the London premiere of No Time to Die