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HOLLYWOOD, CA - MARCH 26: Robert Walker attends Private Luncheon with Dennis Hopper to Celebrate his Star on the Hollywood Walk of Fame at Private Residence on March 26, 2010 in Hollywood, California. (Photo by DAVID CROTTY/Patrick McMullan via Getty Images)

HOLLYWOOD, CA - MARCH 26: Robert Walker attends Private Luncheon with Dennis Hopper to Celebrate his Star on the Hollywood Walk of Fame at Private Residence on March 26, 2010 in Hollywood, California. (Photo by DAVID CROTTY/Patrick McMullan via Getty Images)