Robert Irwin wears his heart on his sleeve. Irwin, 21, took to TikTok on Sunday, November 16, to share his preshow rituals while competing on season 34 of Dancing With the Stars. "Every show day on Dancing With the Stars, I have two good luck charms that I bring with me. These things keep me close to home and to what's most important to me," he said, noting that he wears a green button-up shirt that once belonged to his late dad, Steve Irwin, and a gold ring. "This is my dad's shirt," Robert said while smiling. "I was going through his stuff and I found this shirt.