Bands from ITV2’s Big Reunion will be appearing at an exclusive Summer Party in the grounds of Castle Howard on Sunday August 18.
Blue, 5ive, Atomic Kitten, 911, B’Witched, Honeyz and S Club Re-union will feature in the popfest.
The line up will include non-stop smash hits from the 90s and 2000s.
Rob McIntosh of MA Concerts said: “This is one amazing line up and promises to be the biggest pop show to be held at Castle Howard ever.
“We’re delighted to announce that Liberty X will also be performing at the concert.”
Boy band 5ive sold more than 20 million records, with smash hits including Slam Dunk, When The Lights Go Out.
With Blue expect to hear One Love, If You Come Back, All Rise and U Make Me Wanna.
Atomic Kitten – Liz, Natasha and Kerry – will perform Whole Again and Eternal.
The energetic and charismatic 911 reached spectacular heights with their signature dance routines and upbeat tunes.
Denim clad Irish girl group, B*Witched, enjoyed six top five hits with pop classics including C’est La Vie, Blame It on The Weatherman and Rollercoaster.
The latest additions to the line up include S Club Re-union and Liberty X.
Tickets are on sale now.
To book call 0845 296 0000 or on-line at www.maconcerts.co.uk