The man spent 36 years in jail after being wrongly convicted of rape and tried homicide.
Meghan appeared on he display and mentioned: “Hi Archie, Just wished to let you understand that we have been so moved by your story and we have been cheering you on each week and it isn’t simply because we’re keen on the identify.
“So, a really particular message to you that I’ll most likely be saying all of my life, however on this evening it is particularly for you: Archie, we’re pleased with you and are rooting for you, we will not wait to see what you do.
“We’re in your corner, have a good night.”
Archie, who’s singing on the final expertise present, was surprised by the message.