On 25 August 2009, while promoting her solo album No Baggage in New York City on 101.9 RXP radio, O'Riordan announced the reunion of the Cranberries for a world tour.
Pada tanggal 25 Agustus 2009, saat mempromosikan album solonya, No Baggage, di New York City di radio 101.9 RXP, O'Riordan mengumumkan reuni The Cranberries dalam rangka tur dunia.