Justin Bieber has agreed to collaborate with Mark Wahlberg as long as they can persuade funnyman Will Ferrell to rap on the track.Wahlberg - who found fame as rapper Marky Mark before turning his hand to acting - said he would come out of retirement if Bieber agreed to make a record with him as his daughter is a big fan of the 16-year-old.The teen sensation has agreed but on the proviso that Wahlberg's co-star from The Other Guys joins the unlikely duo.On his Twitter page, Bieber Tweeted, "Spoke with mark wahlberg... And no joke @mark_wahlberg is beast. The Other Guys was great... We need to make that record. he needs to rap again."Will ferrell needs to rap with us too...that would be...EPIC. I will rap too. deal?"

jag e ledsen men jag hinner inte översätta sory..