As Middleton was standing at her seat and clapping, Federer approached her with a friendly greeting.

“Roger Federer definitely intended to have a familiar, and friendly, exchange with Princess Kate.

He not only motions towards her with his hand, he reached behind to her lower back.

Kate Middleton and Roger Federer

As we expected, however, Middleton handled things with class.

“In the end, she treated him kindly, and did not correct him.

But, he got the point, and seem to quickly fall in line.

I doubt he’ll do it again,” the body language expert predicts.