Elisabeth Shue and Oscar winner Richard Dreyfuss are also in the film, which sees all hell break loose after a tremor releases thousands of prehistoric razor-toothed fish into sleepy Lake Victoria.
She was famously sacked from Britain's Got Talent and now it seems Kelly Brook's career has sunk to even lower depths.
The actress was cavorting with Riley Steele, a familiar name to fans of adult movies, in scenes for the new film Piranha 3-D, in which they both star.
