BTS' upcoming comeback album Map of the Soul:7 is set for release on February 21 with Troye Sivan and Sia confirmed for collaborations with BTS.

According to a report by Yahoo, Big Hit Entertainment has confirmed two collaboration tracks featuring Troye Sivan and Sia.

BTS' collaboration with Sivan is entitled Louder than Bombs and their track with Sia is simply titled ON.

Troye Sivan earlier spoke about how he co-wrote one of the tracks in the album on a Twitter post promoting the album. "Very happy to have co-written Louder Than Bombs on BTS's album! Thanks for having me boyyssssss."

BTS' collaboration with Sivan and Sia comes at the heels of their successful partnership with Halsey last year for the megahit Boy with Luv. BTS also previously collaborated with Steve Aoki and The Chainsmokers who expressed interest in working with them.

Before the full release of Map of the Soul: 7, BTS has already released teasers for Suga's Interlude: Shadow which critics have praised for its evocative message about the dark side of being a celebrity.

J-Hope also released his solo Ego, which spoke of his struggles as a newbie in the industry and the tough choices he had to make to get where he is right now.

BTS also released teaser images of the members in a monochromatic concept with the members wearing black wings. The artistic images made fans curious about how these will factor into the Black Swan MV.

BTS has also released its title track, Black Swan and performed it for the first time at The Late Late Show with James Corben.

RM, J-Hope, Jin, Suga, Jimin, V, and Jungkook will return to The Tonight Show with Jimmy Fallon this month to reveal yet another track from their new album. The episode was already pre-taped last February 6 when the show asked global ARMYs to post their questions for the members for the interview, All Kpop reported.

After the release of Map of the Soul:7 on February 21, it is expected that the music video for the collaboration with Sia will drop on February 28.

Big Hit Entertainment has also confirmed that BTS will be embarking on a North American stadium tour beginning April.

The 15-date concert tour will start on April 25 at Levi's Stadium in Santa Clara, California, while the rest of the venues and dates are being ironed out. It is expected that Los Angeles, Orlando, Dallas, Atlanta, and Washington D.C will also be included in the stops.