Christie Brinkley's musclebound son Jack Brinkley-Cook was seen frolicking on the beach in Miami with tennis star Genie Bouchard on Saturday.In a sighting sure to set rumors flying, the bikini-clad blonde was seen leaning on Jack's shoulder and clinging to him as they soaked up the son on a deck chair.Jack, 27, went shirtless on the beach, showing off his sculpted physique as he strutted his stuff across the sand with Genie. Heartthrob:Christie Brinkley's musclebound son Jack Brinkley-Cook was seen frolicking on the beach in Miami with tennis star Genie BouchardGenie, an accomplished tennis player who has played at Wimbledon, the Australian Open and the French Open, glowed during her latest outing.She showcased her lithe, athletic figure in a throwback chic gingham bikini as she pranced about across the sand.
