Credit

• A&R - Chris Anokute
• A&R [Additional] - Rob Stevenson
• A&R [Admin. Coordinator] - Liz Isik
• A&R [Admin] - Ronette Bowie
• Art Direction - Jo Ratcliffe
• Coordinator - Ngoc Hoang
• Creative Director - Angelica Cob-Baehler
• Design - An Art Service
• Engineer - Andrew Wuepper (6, 9, 11)
• Engineer - Brian "B-Luv" Thomas (6, 9, 11)
• Engineer - Carlos Oyandel
• Engineer - Chris "Tek" O'Ryan (9, 11)
• Engineer - Damien Lewis (4)
• Engineer - Emily Wright (1 to 3, 7, 8)
• Engineer - Pat Thrall (6, 9, 11)
• Engineer - Sam Holland (1 to 3, 7, 8)
• Engineer [Mix] - John Hanes (1 to 3, 5, 7, 8, 10 to 12)
• Executive-Producer - Dr. Luke
• Executive-Producer - Max Martin
• Liner Notes - 伊藤なつみ
• Management - Bradford Cobb
• Management - Direct Management Group, Inc.
• Management - Martin Kirkup
• Management - Steve Jensen
• Mastered By - Brian "Big Bass" Gardner
• Mixed By - Jaycen-Joshua
• Mixed By - Sandy Vee (4)
• Mixed By - Serban Ghenea (1 to 3, 5, 7, 8, 10 to 12)
• Other [Marketing] - Bob Semanovich
• Painting - Will Cotton
• Photography By - Will Cotton
• Producer - Ammo (7) (8)
• Producer - Benny Blanco (3) (1, 3)
• Producer - C. "Tricky" Stewart
• Producer - Dr. Luke (1 to 3 ,7, 8)
• Producer - Greg Wells (10, 12)
• Producer - Max Martin (1 to 3 ,7, 8)
• Producer - Mikkel S. Eriksen (5)
• Producer - Miles Walker (5)
• Producer - Sandy Vee (4)
• Recorded By - Lewis Tozour (10, 12)
• Recorded By - Mikkel S. Eriksen (4)
• Recorded By - Miles Walker (4)
• Vocals - Katy Perry