Kelly Brook has confessed that she has become a ‘big fan’ of porn because of her ‘good friend’ Riley Steele.

The Italian Job actress admitted that she has been checking out Steele in action since the pair became friends on the set of the 2010 film, Piranha 3D.

The gorgeous brunette model told the Sunday Sport: “Riley and I became really good friends and I was really intrigued by what she was doing and how she got into it.

“I was really impressed by how much she enjoyed what she did and I admired her and became a big fan of her work.”

Kelly Brook and sexy X-rated co-star Steele shot an underwater lesbian scene for Piranha 3D.