WATCH: Federer interviews Sharapova about culture shocks, injuries, and more

When the 17-time Grand Slam champion retires, he may have a future as a talk-show host. (AP)

In Brisbane, defending champions Roger Federer and Maria Sharapova sat down at city hall for the tournament’s A Summer Night event. They discussed their holiday breaks from the sport and much more.

So how did Christmas celebrations go under their respective roofs? Why, unicorns, gifts, and glitter, oh my!