The two stars will be hitting the road together this summer (15) for the Girls Night Out, Boys Can Come Too Tour, which will kick off in Connecticut on 10 July (15).

Announcing the dates on Monday (06Apr15), Perri tweeted, "im so excited to announce im going on tour with @colbiecaillat​ this summer!"

And Caillat added, "Can't wait to see ur (your) beautiful faces this summer on The Girls Night Out, Boys Can Come Too Tour!"