Is Serena Williams super in love with rumored boyfriend, coach Patrick Mouratoglou?

The world's no. 1 in women's tennis has been hounded by rumors of dating her coach Patrick Mouratoglou, which he never denied. And lately, he has been showing up on her Instagram which had tongues wagging that they are ready to come out in public on their relationship.

Six days ago, Serena Williams shared on Instagram a drawing of what seemed to be a couple of lovebirds with their foreheads touching to form a heart. She wrote, "I love (heart emoji)️'s"

One fan commented, "They make a pink heart! How cute!"

Another said, "Love is in the air. Let us love one another for God is love."

Two weeks ago, Serena Williams' rumored boyfriend Patrick Mouratoglou showed up on her Instagram post when she wrote, "Bästad Sweden was so nice to us but injury forced me out. But don't worry the dynamic duo will be back for the summer. Lol @patrickmouratoglou."

"Best couple ever!!! Everybody wishes for a partner that will bring out your best!" one fan noted.

While another weighed in on the rumors about Serena Williams dating Patrick Mouratoglou, "I think he is a good coach but Serena has such natural talent that she would make any coach look good but the other part of their relationship...."

In an interview with Sky Sports News, Patrick Mouratoglou was all praise for rumored girlfriend Serena Williams.

"Winning just one Grand Slam for anyone is such a big achievement," he said, adding that during the Wimbledon, the tennis ace "had such a tough draw, playing Heather Watson, Venus [Williams], Vika [Azarenka] and [Maria] Sharapova."

"The draw was so difficult, she had so many tough matches, but she made it every single time against every kind of adversity," he added. "She faced different game plans, different kinds of tennis, being sick, not feeling great every day."