Each of the top IDOL girls had a moment to shine during their performance of "Neon Lights" with Demi Lovato.

Demi Lovato and the finalist girls brought down the house with their performance of "Neon Lights."

Demi Lovato took the stage performing "I Don't Really Care."

Demi Lovato hung out with Randy Jackson after her surprise appearance on the show.

The IDOL™ audience then got a little surprise when Demi Lovato showed up for a surprise appearance.

Demi, who just wrapped her North American tour, teased that she might be adding more tour dates!

Each of the top IDOL girls had a moment to shine during their performance of "Neon Lights" with Demi Lovato.

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