The 28-year-old dancer kept his shirt draped over his body to stay cool.
Recently, Derek opened up about dancing through Disney Week with Amy Purdy.
“I’m so proud of Amy and how well she did. We had our usual pep talk before we went out to dance and I just told her to really enjoy it,” he told TV Guide.
During rehearsal that same day, Amy and Derek just couldnâ€™t stay still in a fun Instagram pic.
15+ pics inside…