The duo's record-breaking collaboration, ‘I Had Some Help’, is Post Malone's sixth US Pop Radio chart-topper.
The Oklahoma hitmaker appears to have already turned his attention towards new music, following the release of ‘The Great American Bar Scene’ in early July.
Fans are clamouring for the Irish singer-songwriter to make the track available to stream.
The duo dropped the John Denver-inspired collaboration on Friday (July 26).
The track is set to appear on Lainey's forthcoming studio album, ‘Whirlwind’.
The list of featured artists can be seen on the vinyl packaging being advertised in online stores like Target.
