Justin has announced that his mentor and friend will sing with him on Under The Mistletoe.

“Just heard some songs off of @justinbieber's Christmas album....let me say IT IS INCREDIBLE. AMAZING. You are going to LOVE it.”.

He also added: “¡this duet with me and @USHERRAYMONDIV for #christmas is CRAZY!!!”.

Justin is in the middle of recording Under The Misletoe and then he is off on tour to South America!

It looks like he is excited to get back to touring!: “rehearsals all day for the tour. feels good to be back with the crew. #myworldtoursouthamerica”.

Source: @justinbieber