Jean Simmons, Joan Fontaine, Piper Laurie and Sandra Dee ride bikes. (And Sandra Dee tries not to lose her head.) October 2, 2012 Jean Simmons, Joan Fontaine, Piper Laurie and Sandra Dee ride bikes. (And Sandra Dee tries not to lose her head.) Jean Simmons, Joan Fontaine, Piper Laurie and Sandra Dee ride bikes. (And Sandra Dee tries not to lose her head.)