But, perhaps wisely, organisers have booked the brothers to play on different days… at different ends of the UK.
Noel will play the Scottish leg of the festival in Perth on Saturday 26 May.
A day later, Liam will appear at Coventry’s War Memorial Park alongside Paloma Faith, UB40 and Billy Ocean.
Speaking to Chris Evans’ Radio 2 Breakfast Show, Liam acknowledged the oddity of them headlining the same event.
Chris Evans: So have you ever played a gig in one place, whilst your brother is playing for the same cause on a stage in the nation next door?
Liam Gallagher: No, no, no, but we’re getting closer and closer to each other, aren’t we?
Chris Evans: This is what’s so intriguing about this, you see. You’re like two sperm whales eyeing each other up from miles apart.
Liam Gallagher: Yeah that is it, mate. We’re getting closer and closer, we’re gonna collide, mate, one day and who knows what will happen?
The gigs are part of the Biggest Weekend – the largest music event ever attempted by the BBC.
The venues in Scotland and England will feature music from Radios 2 and 3, while Radio 1 will take over Swansea’s Singleton Park with a bill including Ed Sheeran, Taylor Swift, Craig David and Wolf Alice.