Phillip Schofield gave a warning to replacement host of Dancing on Ice, Stephen Mulhern, on Sunday as he watched him take over his role on the ITV show whilst he self-isolated at home.The 59 year old was forced to sit out from presenting duties on the ice skating competition after testing positive for Covid-19 earlier in the week, leaving Stephen to take his place besideHolly Willoughby. Despite having experience hosting live shows following stints on Catchphrase and Ant and Dec’s Saturday Night Takeaway, this was Stephen's first time presenting Dancing On Ice and he appeared to be enjoying it in a clip Phillip reposted on Instagram Stories.