When Johnny was diagnosed with leukemia, he leaned on his best friend Emma for support. Together, Johnny and Emma held a lemonade stand to raise $12,000 for kids battling cancer. Emma's support was significant because since she had battled the same rare disease when she was younger. She has been cancer-free since her last treatment in 2014. Now, Johnny said Emma stands as a constant reminder that he too will get better.InsideEdition.com's Keleigh Nealon (http://twitter.com/KeleighNealon) has more.