Justin Bieber's "Believe" album--due out this summer--is going to feature a whole-lotta popular artists.
The latest addition is fellow pop star Taylor Swift. Bieber told U.K.'s Capital FM Radio station this week.
Related Story: "Justin Bieber 'Punks' Taylor Swift in a New Episode of 'Punk'd'"
The Swift news follows the confirmation that Bieber's mentor (and the guy that backed him at the beginning of his career) Usher also will guest star on "Believe."
Bieber also confirmed it by retweeting Rolling Stone's article regarding the collaboration.
The Rolling Stone article confirms other guest stars on "Believe," including Drake, Kanye West, Timbaland and Diplo.
Related Story: "Justin Bieber Greeting Cards Now Available"
The first track off of "Believe" was the song "Boyfriend." Bieber has yet to release the video for the song, but on April 3 and April 9, he posted a second and third teaser. Watch them below:
