was on The Late Show
with David Letterman
to promote his new album, Believe
, which if you have a teenage daughter, you will be forced to listen on repeat for the entire summer. Stuff like that is why Vicodin and the pool boy's penis became a thing. Anyway, Justin revealed his new tattoo which he got for the album's release, Letterman's first instinct was to pounce on it like a spider monkey before telling ...