Serena Williams isn't the only one who was taking shots at Maria Sharapova heading into this week's Wimbledon. Novak Djokovic mocked the tennis star while playing a charity match against her boyfriend, Grigor Dimitrov earlier this week.

Watch his beautiful flips of his imaginary long hair and amazing faces below:

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Dimitrov laughed, and as for Sharapova, questions about his performance seemed to be a nice distraction from questions about William's comments about her personal life in a recent Rolling Stone article.

"I loved it," she told Djokovic in front of reporters. "I don't do any of those things anymore. I don't stick my a-- out. I don't do this with my hair anymore, so obviously you haven't watched me play recently."

Here's a not-so-recent clip of Sharapova that does feature the hair flips and grunting, so you can compare Djokovic with the original:

And this one focuses on the grunts:

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