Keith Urban

Tongi says anytime he hears Urban sing, it reminds him of his late father.

Keith Urban made a triumphant return to the American Idol stage!

Colin Stough wasn’t shy sharing how he felt about Urban coming by to lend a hand.

All three judges gave her a standing ovation.

Urban will be a guest mentor and performer on the big 'American Idol' season finale episode.

The superstar couple even left the show with some special souvenirs: Fan-made friendship bracelets.

The country superstar is also performing on the finale of this season of 'American Idol.'

Which performance was your favorite of the night?

What an unforgettable moment!

A number of country stars — and even a couple of Dallas Cowboys — will hand out awards during the big night.