Serena Williams Twitter: Boyfriend Boredom? Australian Open Star Posts Humorous Video

Serena Williams posted a humorous video of herself bouncing tennis balls off Sascha Bajin's back during tennis practice, leaving many fans wondering if she's getting bored during sessions with her coach and rumored boyfriend Patrick Mouratoglou.

Serena Williams mentioned on Twitter that she was attending one of Michael Bolton's concerts-known for his romantic tracks

Serena Williams also mentioned earlier on that she liked Maria Sharapova's outfit on Twitter.

"I'm loving Maria S Nike outfit. #approved #supercute," the Australian Open star wrote.

Earlier this week, she posted messages saying she spend the weekend at Zales and was watching the Bridezillas television show on Twitter.

"Another weekend... Spent at Zales this time I brought Venus," she wrote in one piece.

"Is it weird that I'm watching bridezilla all day???"

She also posted several Twitter photos of herselfhaving fun at the Vanity Fair Oscars Party 2014.

Last week, she made a Twitter status mentioning that she is "alone" and "unaccompanied" just after rumored surfaced of her hooking up with Drake.

The Australian Open star was confronted by Rihanna, who is also rumored to be hooking up with the singer, at his Paris concert, HollywoodLife.com reports.

The tennis star approached Rihanna backstage and had it out with her but nothing physical happened, and Rihanna's security team was standing by in case anything truly nasty went down, HollywoodLife.com also reports.

She also posted the message "everybody needs love" on Twitter.

Shortly after posting the message, several of her fans reassured her that they love her.