From NBA.com: Picture of Jimmy and Cameron enjoying courtside seats as the Heat win during game 3 of the NBA Finals in Miami on June 13, 2006,(the caption suggests game 4- but that hasn’t happened yet).
From the Miami Herald "Plenty of stars out to support the Heat"
http://www.miami.com/mld/miamiherald/sports/14812347.htm
The usual suspects — such as Jimmy Buffett, Anna Kournikova and Enrique Iglesias — turned out, plus everyone from Dan Marino to Fat Joe to Randy Moss.