The two bands, both of which have been together for 20 years, will launch the 52-date tour June 13 in Mankato, Minn. The packed itinerary includes one Canadian date, in Toronto, and stretches through August 25, when they’ll wrap things up at Atlanta’s HiFi Buys Amphitheatre.

Poison just released a new collection, The Best of Poison: 20 Years of Rock, to be followed by a deluxe CD/DVD tour edition in May.

Cinderella also has a best-of compilation coming out soon, with the 2CD Cinderella: Gold set to hit stores April 25.