Westlife have announced the support acts for their greatest hits farewell tour. Glenn Cal and Vanquish are the acts who will accompany the Westlifers on their final odyssey.

Singer-songwriter Glenn Cal has been gigging extensively since his 2010 EP Brand New Day and was selected by Westlife to join them on their previous Gravity Tour. Such was the good impression, Cal has been asked back to return to the tour bus once more.

Vanquish are a fourpiece all-female act, whose debut single 'The Harder You Love' will be released in April and the group have been tipped to fill the void left by Girls Aloud.

Meanwhile, a fifth and final show has been added to the Odyssey Arena in Belfast, which will take place on 20th June.