Post Malone Offers to Perform at Justin Bieber's Wedding for Free

Post Malone Offers to Perform at Justin Bieber's Wedding for Free Post Malone and Justin Bieber have a very public Insta-bromance. The 'Psycho' rapper took it a step further on Friday when he offered to serenade the Biebs and his fiance, Hailey Baldwin, on their wedding day. Post Malone, via 'Billboard' 2018 has been a huge year for Post Malone. He scored artist of the year and song of the year nominations at the upcoming MTV Video Music Awards. As for the wedding, Baldwin's aunt Kim Basinger recently revealed that the bridal party has already been determined. Bieber has yet to drop hints about his groomsmen lineup.