Serena Williams and Novak Djokovic were ready to cut loose following their wins, and the Wimbledon Champions' Ball gave them the perfect opportunity to put on their dancing shoes. Both Novak and Serena were REALLY into their "Night Fever" routine.
Sure, they didn't dance particularly well, or show much chemistry on the dance floor -- but they went for it, and in dancing that's everything.
Here's the original dance for reference purposes:
★★★