As fans mourn, rainbow appears over Prince's Paisley Park

The rainbow "stretched perfectly across the sky" before vanishing a few minutes later, KARE reported.

Authorities closed a stretch of road outside Paisley Park in Chanhassen, Minnesota, as mourners descended on the area with purple flowers to honor Prince's memory, according to the Minneapolis Star Tribune.

“He was a magical being, and watching him grow up and evolve brought a little magic to us,” Kari Swalinkavich told the newspaper. She joined others outside Paisley Park to pay her respects.

"He was a magical little package," she said. "We just weren't ready to be done with that."

Authorities are investigating the cause of Prince's death. He was 57 years old.