The livestream concert has a huge list of stars involved from the worlds of music, sports and gaming. The schedule includes music artists Brandy, Die Antwoord, Jordin Sparks, The Chainsmokers, LAUV, Diplo, Charlie Puth, Steve Aoki and more alongside the two K-pop groups mentioned.
There'll also be Fortnite tournaments, UNO competitions and musical performances.
The livestream is using the slogan of 'go Live to save lives', and has been shared by both MONSTA X's and (G)I-DLE's official social media accounts.
Twitch Stream Aid begins on Saturday 28 March from 9am PDT (that's Sunday 28 March, 3.30am AEST).
Will you be watching?
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