"Troy" beauty Diane Kruger has reportedly struck up a romance with ketchup heir Chris Heinz. The New York Daily News reports the German model-turned-actress, 28, separated from her French husband Guillaume Canet several months ago and has been dating Heinz in secret since November. A friend says the romance was kept quiet so it wouldn't affect Heinz's stepfather Senator John Kerry's Presidential campaign for the White House last year. The pal says, "It was an issue during the campaign. Chris and Diane had to keep it quiet. But now that the campaign is over, they're more comfortable going public." In...