The tour follows his C2C appearances in March.
Find out which other artists have been added.
The Country superstar is heading back to the UK in June and July.
Have your say by voting for your favourites…
Find out what we thought about Radio 2’s Festival in a Day with Kylie Minogue, All Saints, Manic Street Preachers and more.
See the gorgeous lyric video for the duo’s new single now.
The leading UK Country duo release their third studio album.
Find out who else has been announced in the first wave of acts.
The performer will be supported by Van Morrison, Bananarama, The Feeling and The Shires.
The duo also announce that they will be supporting Michael Buble this summer.
Take a listen to the Lawson star’s new single.
The Shires are among the headliners for the festival.