Tickets for Little Mix's concert at Northamptonshire County Cricket Ground have sold out in less than six hours.
Sales began at 9.30am this morning but by 3pm no tickets were left except for some silver hospitality packages.
"We had Olly Murs sell out here this year and we were expecting something similar with Little Mix," said a county ground spokesperson.
"Little Mix are the biggest girl band in the world so we knew we would have huge interest.
"We are delighted it's done so well."