PERFORMANCE: Ali Campbell and The Roots at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Schuyler Fox, Michael J. Fox, Tracy Pollan, and Aquinnah Fox at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Michael J. Fox and Brian Grant at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Michael J. Fox at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Connie Britton and Michael J. Fox at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Michael J. Fox and Tracy Pollan at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Michael J. Fox and Brian Grant at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Michael J. Fox, Rachel Ray and John M. Cusimano at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Sam Fox (son of MJFox), Michael J. Fox, Sam Fox's (R) mother, Sam Fox at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Michael J. Fox and Tracy Pollan at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Schuyler Fox, Michael J. Fox, Tracy Pollan, Sam Fox and Aquinnah Fox at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Michael J. Fox and Matt Czuchry at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Aquinnah Fox, Michael J. Fox,Sam Fox and Schuyler Fox at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Michael J. Fox and Tracy Pollan at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Jane Fallon, Ricky Gervais, Michael J. Fox and Tracy Pollan at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Schuyler Fox, Michael J. Fox, Tracy Pollan, Sam Fox and Aquinnah Fox at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Rachel Ray and John M. Cusimano at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Tom Colicchio and Michael J. Fox at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Ricky Gervais and Michael J. Fox at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

Schuyler Fox, Michael J. Fox, Tracy Pollan, and Aquinnah Fox at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Schuyler Fox, Michael J. Fox, Tracy Pollan, Sam Fox and Aquinnah Fox at the 2011 A Funny Thing Happened On The Way To Cure Parkinson's - Red Carpet at New York NY. (Footage by WireImage Video/Getty Images Entertainment Video)

INTERVIEW: Alexandra Wentworth and George Stephanopoulos at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

Aquinnah Fox, Tracy Pollan and Schuyler Fox at the 2010 A Funny Thing Happened On The Way To Cure Parkinson's at New York NY. (Footage by WireImage Video/GettyImages)

EVENT CAPSULE REPORTER/CHYRON: 2010 A Funny Thing Happened On The Way To Cure Parkinson's, New York, NY, United States, 11/13/2010. (Footage by WireImage Video/GettyImages)