View credits, reviews, tracks and shop for the Vinyl release of Best Friend on Discogs. "Best Friend" by 50 Cent is the third single released from the soundtrack of the film Get Rich or Die Tryin' () and the remix featuring Olivia is the third single . Lyrics to "Best Friend (Remix)" song by 50 Cent: Yeah! It's my tape [Olivia] You said that I could call U whenever I needed some one to listen to me. That's why. Lyrics to 'Best Friend (Remix)' by 50 Cent Feat. Olivia. Yeah. / Its my tape man. / Listen to my tape. / Whoooo! / If i was your best friend, i want you round all the. View credits, reviews, tracks and shop for the Vinyl release of Best Friend ( Remix) on Discogs. If I was your best friend, I want you 'round all the time. 50 Cent. The remix featuring Olivia is the third single from her unreleased album, Behind Closed Doors.