The new track also features on Gaga's new album, 'Chromatica', set for release on 29 May through Interscope Records.
The artist reclaims the dancefloor in her sixth studio album, out 29 May.
‘Nothing Compares,’ ‘Missed You,’ and ‘Final Lullaby’ were added to the LP as bonus tracks
The new song is the singer's first official single in two years.
Dates are confirmed in Paris, London Boston, Toronto, Chicago and New Jersey, with the star performing at London's Tottenham Hotspur Stadium on 30 July.
The singer also performed the new song during her emotional comeback performance at the 2020 Grammy Awards last night.
The new opus will be staged at Miami Marine Stadium on 8 December and it will feature music from West’s Sunday Service performers.
The song is set to feature on The 1975’s new album, 'Notes on a Conditional Form', scheduled for release on 21 February 2020.
The pop icon describes Mendes as an artist "I have always really been dying to collaborate with."
Fans can expect the new song to drop on Wednesday, 13 November.
The band will be playing their debut album 'I Had The Blues But I Shook Them Loose' in its entirety at their November shows.
The electronic pioneers are also set to headline at All Points East on Friday, 24 May.
New single 'Moderation' was first premiered on the Australian leg of the band's 'High As Hope' tour. It's backed with a second new track, 'Haunted House'.
'Land Of The Free' is the Las Vegas quartet's first new music since 2017's 'Wonderful Wonderful' album.
The new track will receive its world premiere on Zane Lowe’s Apple Music show 'Beats 1' tomorrow.