Tennis star Milos Raonic is going out with stunning bikini model Danielle Knudson, TMZ confirmed.

According to the report, Knudson made headlines when Justin Bieber posted a picture of her on Instagram with the caption "Who is this Guess Model. She's Stunning." It's a bit of a bad news for the young singer when he learns that the model has already set her eyes on the world's No. 6 in tennis.

Global News described her as a native of Red Deer, Alberta, who started modeling when she was just 15 years old. She inked deals with companies like Toronto's Sutherland Models and New York's Wilhelmina.

In an interview with Cosmopolitan after she made it to the 2014 Guess spring/summer campaign, the 24-year-old Knudson shared some interesting facts about her life and career.

Asked if she really wanted to be a model, the stunner said she was really into sports. "Modeling wasn't something that I really thought about, but now I love it. I was at a silent auction when I was 8 years old, and a local agency rep approached me," she added.

Knudson also revealed that she was 15 when she started modeling professionally, and her career brought her to different countries all over the world.

"I would go to Asia with my mom to model during the summer until I graduated high school. Then I moved to Toronto - my mother agency is Sutherland Models there - and lived there a few years after I graduated. I continued to take trips to Asia and Europe to model. I moved to New York and signed with Wilhelmina three years ago when I was 21," she shared with Cosmopolitan.

When she landed a spot on the Guess campaign, Knudson said it was a "dream job" for her.

"I cried. Booking that job also got me a lot more work," the model said, adding that it was one of the surprises of her life aside from being Instagrammed by Bieber.

She told Cosmopolitan that her phone went crazy when she received messages from friends about the social media post of the singer.

"My friends let me know - they texted me and said, 'Justin Bieber just posted a photo of you on Instagram!' He posted it during Miami Swim week. Since everyone [showing there] heard about it, I had even more brands calling me to walk in their shows. I ended up walking in Beach Bunny, Frankie's Bikinis, Acacia, Lolli Swim and Indah," Knudson recalled.

It seems the model has been seeing Raonic for quite some time now, and the two are not shy to share photos of their travels on social media. This included a trip to Melbourne Zoo last month, a vacation in Thailand, a dinner party in New York and a beach getaway in Turks and Caicos last November.