Music
The 'Push the Button' singers will perform at the Riverside Stadium in Chester-le-Street on July 10, with Morrison headlining on July 12.
"Riverside has hosted some world class acts over the years including Elton John, UB40 and Jamie Cullum," club executive David Harker said.
"To add James Morrison and Sugababes to that list is fantastic. It's always great to attract new audiences to the stadium, the atmosphere will be electric and I'm sure both acts will give outstanding performances for their fans."
Sugababes, who earlier this month rubbished rumours of a split, have confirmed live shows at Cornbury Festival in July and two further Forestry Commission gigs.
James Morrison releases new single 'Please Don't Stop The Rain' on April 6.
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