Ashlee Simpson threw a "white-trash" themed birthday party. The pregnant singer, who is married to Fall Out Boy rocker Pete Wentz, celebrated turning 24 with a fancy dress bash at her parents' Los Angeles home last weekend.

Ashlee Simpson is expecting a baby boy. The singer's husband, Fall Out Boy rocker Pete Wentz, says the couple are almost certain that they know the gender of their unborn first child.

Ashlee Simpson is reportedly expecting twins with husband Pete Wentz. The 23-year-old singer and her Fall Out Boy rocker beau are set to welcome two babies into the world later this year, according to Pete's musician friend Tyga.

Ashlee Simpson is happy with her pregnancy weight gain. The 23-year-old singer - who is expecting her first child with husband Pete Wentz - denied reports she bought six pairs of size zero jeans to motivate her to lose her post-baby pounds, and insists she is thrilled to see her ever-expanding baby bump.

Ashlee Simpson has bought six pairs of size zero jeans to motivate her to lose weight.

Ashlee Simpson "can't wait" to be a mother. The "Outta My Head" singer, who is married to rocker Pete Wentz, announced in May she is expecting her first child later this year and is overcome with excitement about the impending arrival.

Ashlee Simpson is reportedly expecting a baby boy.