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.

Hip-hop star Tyga told gossip website E! Online: "Pete and Ashlee are having twins. They're really happy."

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.

She said: "I read on a blog that I went to the doctor and he said I was overweight and I cried and went to Planet Blue (because I was blue) and bought six pairs of size zero jeans."

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

The singer - who is expecting her first child with husband Pete Wentz - is reportedly so worried about shifting her post-pregnancy pounds that she purchased the tiny trousers to help her stay focused.

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.

She told "Entertainment Tonight Canada": "We're getting the nursery ready. I can't wait to be a mom and he can't wait to be a dad, so it's fun."

Jessica Simpson mistakenly told her boyfriend Tony Romo's family she was pregnant.

The singer is reportedly desperate to have a baby with her American football player beau and was delighted when a home pregnancy test revealed she was expecting a child.

Britney Spears and Russell Brand have filmed an advert together for this year's MTV Video Music Awards.

The pair - who have both battled demons in the past, with Britney suffering a public breakdown and Russell overcoming a heroin addiction - are joined in the advert by a huge gray elephant which neither of them seem to notice.