Other acts added to the bill include Connie Constance, Mathilda Homer and CC Honeymoon.
The show takes place in central London on Saturday 13th July and tickets are on sale now.
The event’s other dates this summer are headlined by Robbie Williams, Celine Dion, and Barbra Streisand.
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Name a more iconic duo, we’ll wait.
The new track is taken from the deluxe edition of her fantastic debut, ‘Compliments Please’.
The series of panels and discussions aim to offer support and guidance around mental health in the music industry.
Now you can cry watching Matt and co. from the comfort of your own home!