Jelaskan Aksi pembuka dari Up All Night Tour

Boyce Avenue (United Kingdom & Ireland)

Matt Lonsdale (United Kingdom & Ireland)

Camryn (North America, select dates)

Manika (North America, select dates)

Olly Murs (North America, select dates)

Medley: "I Gotta Feeling" / "Stereo Hearts" / "Valerie" / "Torn"

Will Bloomfield for Modest! Management

Louise Doyle (sutradara kreatif show)

Matt English (desainer grafis show)

Rob Arbuckle (visualisasi layar 3D)

Caroline Watson (penata gaya kostum)

June Jones for Concorde Artiste International(akuntan tur)