Katie Holmes has denied she is pregnant after pictures showing her with a rounded stomach were released.

The photographs show the actress - who is already a mother to five-year-old Suri with husband Tom Cruise - shopping with what looks like a baby bump but her representative has denied she is expecting and even suggested the images were altered.

Ina Treciokes told E!: "She's not pregnant and this photo looks doctored,"

However, photographic agency Xposure - who released the pictures - deny digitally changing the pictures to make Katie look more rotund.

Spokesperson David Taylor told the Daily Mail: "We never doctor pictures to make anyone look fat, thin, pregnant, and so on. We have not doctored these pictures."

It's not the first time the 32-year-old brunette has had to fend off pregnancy rumours sparked by unflattering pictures.

In 2008 she was pictured wearing a loose-fitting shirt and long scarf leading to false reports she was covering a bump.