Christina Aguilera's new fragrance to hit stores this fall

New mom Christina Aguilera is set to release her third fragrance, Inspire, this fall.

The 'Dirrty' singer -- who gave birth the her first child, son Max, with husband Jordan Bratman in January -- is planning to get her new fragrance out as quickly as possible -- because her previous perfumes, Xpose and Simply, sold well internationally.

A source told Life and Style magazine: "Christina’s worked hard to get the scent exactly how she wants it.

"Because of the success of those perfumes, it was a no-brainer to create another.

"She’ll be shooting ads for it soon."