The North East's "biggest ever pop show" is set to take place this summer.
Little Mix, Amelia Lily, and JLS are among a host of artists set to perform at Sunderland's Stadium of Light.
The event will take place over five hours on June 22.
More top news
Emma Jesson brings you Saturday night's forecast
Sandiford, a former legal secretary originally from Redcar, was convicted of drug smuggling offences and sentenced to death in 2013.
Durham Crown Court heard that one of the male victims suffered a triple-fractured jaw, while left lying in the gutter, unconscious.