Watch: Demi Lovato covers Adele's 'Hello'

SEATTLE, Nov. 16 (UPI) -- Demi Lovato treated fans to a passionate cover of Adele's new hit single "Hello" while performing at KISS FM's Fall Ball in Seattle.

Lovato took the stage Saturday and in between performing some of her biggest hits including "Heart Attack," "Neon Lights" and "Cool for the Summer," decided to cover "Hello" in impressive fashion.

The 23-year-old decked out in a black leather crop top and skirt got emotional during her rendition while fans cheered her on. By the end, an exhausted Lovato smiled as fans continued to applaud.

A video of the performance posted by fan on YouTube has already gone viral with over a million views in two days.

Lovato who is playing holiday radio concerts through December, will be going on tour with Nick Jonas next summer. The "Future Now" tour will kick off June 24, 2016 in Sunrise, Fla. before ending Sept. 17 in Los Angeles, Calif.

The pop star will also be honored with the Rulebreaker Award at Billboard's Women in Music event on Dec. 11 in New York.