"Dancing with the Stars" welcomed Cheryl Burke and Cody Rigsby back to the live stage on Monday after the duo previously had to perform from home due to positive coronavirus tests. The dancing professional, 37, and Peloton instructor, 34, took the stage for the first time since announcing they'd been diagnosed with COVID-19.They were back and healthy again just in time to be part of the two-night "Disney Heroes" event where they accomplished a spectacular performance to "Stand Out" from "A