Serena Williams' coach and rumored boyfriend Patrick Mouratoglou posted encouraging messages on Twitter as the tennis star continues her Wimbledon 2014 matches.

"6/1 6/1 win for @serenawilliams in her second round match in #wimbledon2014. Good job. Solid game," he wrote.

Serena Williams posted a picture on Twitter and Instagram of an Audemars Piguet watch with the caption "officially ready for #Wimbledon," leaving many fans wondering if her coach and rumored boyfriend Patrick Mouratoglou gave it to her as a gift.

Serena Williams posted a quote on Twitter and Instagram reading "the happiest people don't have the best of everything, they just make the best of everything."

Could the Indian Wells boycott star have made a confession regarding her boyfriend and dating life?

Serena Williams mentioned on Twitter and Instagram that she had the "best night" with "Hercules" film director Brett Ratner and that she loves him, leaving many of her followers wondering if she may have been flirting with him.

She also posted a picture of herself on Twitter and with runner Usain Bolt at the NBA Finals.

Several weeks ago, she posted on Twitter that she spent her night in bed with no invite to Sasha Bajin's house for a "pre Williams invitation event."

Serena Williams has been active on Twitter posting about her entrepreneurial and athletic successes, but she seems to be avoiding mentioning her boyfriend Patrick Mouratoglou.

The Australian Open star has, however, posted about her rival Maria Sharapova.

She mentioned earlier on that she liked Maria Sharapova's outfit on Twitter.