The Lonely Hearts Club Tour was the second concert tour by Welsh singer-songwriter Marina Diamandis, formerly known as Marina and the Diamonds.

[1][2] On 30 April 2012, it was announced that the UK segment of the tour has been rescheduled due to vocal cord condition of the artist to dates beginning on 18 June 2012.

[3] The tour ran concurrent with Coldplay's Mylo Xyloto Tour for which Marina served as an opening act.

[4] On 11 February 2013, Diamandis announced via her website and e-mail, that her European tour was cancelled.

[5] On Saturday, 4 May, Diamandis debuted the track "Electra Heart", as an interlude to her final, closing leg of the tour.