The pair performed together at Electric Brixton last night (June 27)
Lamar, who will headline Glastonbury on Sunday (June 26), turned 35 last weekend
It's the first North American festival Scott has been announced for since the fatal crowd crush tragedy at Astroworld last year
The jaunt includes a series of UK dates including two shows at London's O2 Arena
Check out the full list of collaborators on Lamar's long-awaited new album here
Anitta, H.E.R. and Shygirl have also joined the bill for the Danish festival
The two cousins performed 'Family Ties' and 'Vent'
US music fans were not ready to let this moment of freedom pass by quietly
Notably, DaBaby will return to the Rolling Loud Miami stage after he sparked controversy with homophobic comments at last year’s festival
The festival will take place across three sites in July, and tickets are on sale today (February 28)