Tiger Woods' girlfriend Lindsey Vonn 'forced to undergo drug test' at glam CFDA gala

Tiger Woods' new girlfriend Lindsey Vonn, who is training for the 2014 Winter Olympics in Sochi, Russia, had to undergo a mandatory drug test with the International Olympic Committee while in a couture gown at the Council of Fashion Designers of America Awards, according to reports.

She was accompanying designer Cynthia Rowley to the glitzy awards ceremony at Lincoln Center Monday night.

Sources told New York Post that Rowley and the skier, wearing a stunning, custom-made white gown from the designer, were sitting in Alice Tully Hall among fashion's elite when Vonn got a call on her cellphone from the IOC telling that they need to do a drug test on her immediately.

According to sources, Vonn met the IOC at the bathroom and Rowley stood outside to stop anyone from entering inside.

During that five-hour process, the IOC team made Vonn "pee in a cup" and tested the urine sample on the spot, sources said.

The New York Post sources added that she passed the test and the IOC staff told her to "have fun.