Sharon Stone has allegedly taken a swipe at Sienna Miller.
The screen beauty reportedly laughed when she heard rumours the young starlet wanted to play her character, Catherine Tramell, in the new 'Basic Instinct' sequel.
A source told Britain's Daily Star newspaper: "Sienna was mentioned at one stage - before the second film was even given the green light - but there was just no way.
"She was offered first refusal and chuckled when she heard Sienna was keen. According to Sharon, she is just a silly girl who couldn't handle Catherine."
The 48-year-old - who first played the sexy murderess 13 years ago - is also said to consider Sienna nothing but a "naïve little girl".
The source added: "A-list stars like Sharon think she is just a naïve little girl. "Sharon wouldn't have let someone as young as Sienna play her part."