He continued: “I wasn’t allowed to talk to anybody before it was broadcast so about six months.
“I didn’t tell anybody, I wasn’t allowed. I wouldn’t be able to trust my mum with that.
“She’s quite old school, almost quite medieval, a problem shared is a problem divided so if anyone got any secret they go and tell her and she makes sure all the relevant parties know.”
Justin performed True Colors by Cyndi Lauper and Creep by Radiohead and even got a few flirty comments from Rita Ora.