Pippa Middleton and boyfriend Alex Loudon checked out the action at Wimbledon earlier this week, but today she was solo to watch the semifinal match between Jo-Wilfried Tsonga and Novak Djokovic. Pippa Middleton's dress was a slightly risqué one, with bits of skin showing through the crochet. It's been a big week of date days and nights for Pippa as she and Alex enjoyed watching tennis. Even Pippa's sister, Kate Middleton, turned out to see what was going on in the stands. Kate is now off in Canada on her first official tour as a royal. Kate Middleton and Prince William are currently in Ottawa, where they're celebrating Canada Day with a variety of events.