Katy Perry and Niall Horan Perform At The Voice Australia Finale

Katy Perry and Niall Horan's talent show history continues.

It's a fairly well known fact that without Katy Perry, there'd be no Niall Horan. Or, at least, he may not be quite as famous as he is right now.

The Bon Appetit singer's "yes" vote was the decider in Horan's moving onto X Factor's bootcamp round in 2010, which saw him eliminated as a solo artist but placed into One Direction:

Last night, the two reunited in Australia before performing at the grand finale of another talent show - The Voice:

Katy belted out Swish Swish while balancing atop a basketball ring (which she was then dunked in):

Before performing Chained To The Rhythm with the series finalists:

Niall performed his now first ever Australian #1 single, Slow Hands:

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