Tennis' newest villain Danielle Collins has been booed and jeered by the Australian Open crowd during her third-round match against fellow American Madison Keys on Saturday night.

American tennis player Danielle Collins embraced the Australian Open boos after her latest win. But there's more to her heel turn than meets the eye.

Danielle Collins has long been one of women's tennis' most fiery competitors. But after her tight second-round Australian Open win over Australian underdog Destanee Aiava, Collins showed she can bring it with the crowd,