May 14, 2015 10:41 AM EDT

Miley Cyrus and Ariana Grande joined each other on an inflatable couch, dressed in onesies, to perform a duet of “Don’t Dream It’s Over” for Cyrus’ Happy Hippie Foundation.

The video, which premiered on Entertainment Weekly, is the latest collaboration Cyrus has unveiled in conjunction with her foundation that benefits LGBT and homeless youth. As they sing the Crowded House song, Cyrus and Grande banter: “Are you a mouse or a bear?” Cyrus asks Grande. (Cyrus’s onesie is clearly of the unicorn variety.) “Whatever you are its probably the cutest mouse-bear thing I’ve ever seen,” Cyrus concludes.

Cyrus has previously released “Backyard Sessions” with Joan Jett, Laura Jane Grace and Melanie Safka.


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