Brooke Shields was an icon to an entire generation - including her Lipstick Jungle co-star Lindsay Price. “I dressed up as Brooke for Halloween when I was 5,” Lindsay, 31, told PageSix.com Monday night at the Seminole Hard Rock Entertainment and Lorraine Bracco launch of Bracco Wines. “My mom made our costumes. Mine was like a Valentino gown - red, off-the-shoulder with marabou trim - and I …