'Bon Appétit' hitmaker Katy Perry's announced she's off on a European tour in 2018, which is good news for people in those European cities or people who like to travel.

Here are the specific dates and venues etc:

23 May — Germany Cologne LANXESS arena
24 May — Belgium Antwerp Sportpaleis Antwerp
26 May — Netherlands Amsterdam Ziggo Dome
29 May — France Paris AccorHotels Arena
1 June — Switzerland Zurich Hallenstadion
2 June — Italy Bologna Unipol Arena
4 June — Austria Vienna Wiener Stadthalle
6 June — Germany Berlin Mercedes-Benz Arena
8 June — Denmark Copenhagen Royal Arena
10 June — Sweden Stockholm Ericsson Globe
14 June — UK London The O2
18 June — UK Birmingham Barclaycard Arena
19 June — UK Sheffield Sheffield Arena
21 June — UK Liverpool Echo Arena
22 June — UK Manchester Manchester Arena
24 June — UK Glasgow The SSE Hydro
25 June — UK Newcastle Metro Radio Arena

Tickets go on sale on Friday June 9 at 9am, which is also the same day her new album 'Witness' is out.

Here's a trailer for the tour in case you need con­vin­cing: