Robert Irwin on Instagram: "I am still in disbelief after our first 10s for last night’s dance. Thank you @witneycarson for believing in me to take on our most challenging choreography yet. Witney and I have been working hard this week to create something powerful and intense, and I had SO much fun embracing a new side of myself on Halloween night. I’ve never been prouder to be part of #TeamIrWINit , and thank YOU for being on this journey with us. I am so grateful. I’ll always remember the Arge