Mariah Carey has announced that she will headline European festivals 'Firefly' in the summer of 2027.

The schedule begins on June 24 at Mølleparken in Sønderborg, Denmark, and continues with four outdoor stages in the UK, including Cardiff Castle and Blenheim Palace Grounds.

It will then proceed to Jazz Open Stuttgart in Germany, Lucca Summer Festival in Italy, Francofolies de Spa in Belgium, and concludes at Moon & Stars Festival in Switzerland on July 20th.

Ticket sales for the newly added schedule will begin at 9 a.m.