Lindsey Vonn Took A Break From Olympic Training To Watch Tiger Woods At The US Open

Lindsey Vonn is at the US Open outside Philadelphia today.

Judging by her Twitter feed, Vonn is in the midst of some intense training for the upcoming Winter Olympics in Sochi. But she's carving out some time to watch her boyfriend Tiger Woods on Friday.

With the Red Bull hat:

She also tweeted this photo of the mud: