Anna and the Kid's kid

The Kid who Rocked the tabloid world.

Kid Rock and Anna Nicole Smith once fell out at the Kentucky Derby after the tragic model refused to stop filming her reality show in a VIP area. Rock, real name Robert Ritchie, reveals he and Smith exchanged expletives when Anna Nicole turned nasty when he politely asked for TV cameras to be switched off.

The rocker tells men's magazine Maxim, "I had my son with me... and she strolls in shooting a TV show, so I politely ask her, `Miss, we're just trying to have a good time, and you've got those cameras rolling.' She was like, `F- you.' So I was like, `F- me? F- you. You're a f- pig.'"

But Rock was left stunned when he returned home after the Derby and realized Smith had given his son a $300 cash gift. He adds, "I didn't know about it until we got home 'cause he bought some Nintendo s**t. I'm like, `Where did you get the money?' He's like, `That fat lady with the big boobs gave it to me.'So just to be on the safe side I had a DNA test done. She's not my Kid" kidded Kid.