The tennis great and her fiancé, Reddit cofounder Alexis Ohanian, babymooned in Monaco this past weekend. The two did a little sightseeing with friends and even watched the Monaco Formula One Grand Prix.

For the Grand Prix outing, Williams wore a beautiful, brightly colored zebra print dress:

Mark Thompson via Getty Images

She even hung out with Thor himself, actor Chris Hemsworth:

Serena Williams and Chris Hemsworth! 😍 pic.twitter.com/gshcfsxEAP

- fave (@faverena) May 28, 2017

While boating with friends, Williams opted for an all-black look, from her dress to her hat:

During the trip, Williams and Ohanian stayed at the Chateau Eza hotel, according to Architectural Digest. The luxurious hotel was once the former residence to a Swedish prince, which makes it the perfect fit for tennis royalty like Williams.

It looks like the two enjoyed their stay: