Jessica Alba turned down Kid Rock

Jessica Alba spurned Kid Rock's romantic advances when they worked on a TV show together.

The actress was unimpressed when 36-year-old musician Kid Rock, real name Robert James Ritchie, tried his luck with her after the cameras stopped rolling.

"I spent a week in South America with Jessica for this TV show, an environmental show called Trippin," Rock explained.

"Jessica is such a sweetheart. But she's definitely not giving it up. I said to her, 'Do you know what, you are so f***ing hot, I'm not even going to f*** with you.' And she turned round and went, 'F*** you, Kid Rock.' "

Alba, 26, recently announced that she is engaged to her boyfriend Cash Warren.