The 32-year-old US pop singer has been focusing more on acting in recent years but is due back on stage for her The Eternal Sunshine Tour - which will cover North America and include a residency in London.
During an appearance on the Good Hang with Amy Poehler podcast, Grande said: "I think the last 10 to 15 years will look very different to the ones that are coming up ...
"I don't want to say any definitive things. I do know that I'm very excited to do this small tour, but I think it might not happen again for a long, long, long, long time ...
"(The tour is) going to be beautiful and I'm so grateful that - I think that's why I'm doing it because I'm like: 'One last hurrah.' For now."
When the host asked about her future plans, Grande added: "I spent so much time only doing pop music - but I grew up as a girl who loved musical theatre and comedy.
"So I think the thing that will be best for my soul and also my art and for what I'm giving to myself to, is if I'm chasing things that feel very right in the moment.
"Even if it's mundane it needs to be something different. I am doing a movie right now because it's a role that I read the script and I love it and it's funny and I love the cast and I'm so excited.
"I think following those authentic impulses feels like a really good idea."
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