WATCH—Take a ride alongside karaoke star Danielle Collins in Melbourne

WATCH—Take a ride alongside karaoke star Danielle Collins in Melbourne

The American was in a particularly happy mood after her third-round win at the Australian Open.

Danielle Collins, a former star player for the University of Virginia, enjoyed a breakthrough 2018 season in the pros. The 25-year-old cracked the Top 40 for the first time thanks in large part to deep runs at Indian Wells in Miami; her alma mater's men's basketball team could take a lesson from her play in March.

For all Collins accomplished last year, she struggled at the Slams, failing to qualify for the Australian Open and losing first-round matches at Roland Garros, Wimbledon and the US Open. But 2019 has signaled another breakthrough: she's into the fourth round at the Australian Open, with wins over 14th-seeded Julia Goerges, fellow American Sachia Vickery and 19th-seeded Caroline Garcia.

Next up for Collins is a step-up in class: former Aussie Open champion Angelique Kerber. But Collins wasn't thinking about that challenge just yet, after her win over Garcia. Rather, it was time for room service, Breaking Bad and in-car karaoke—by herself, as it turned out.

Watch it all unfold in the video above, and see more of Collins' time in Melbourne from these photos of her time in the city: