The Top 13 performed on "American Idol" last night -- where Pia Toscano once again stood out above the rest!

The contestants were asked to sing a song from one of their personal idols, and Pia killed it with Celine Dion's "All By Myself" -- which she dedicated to her father.

Check out her stellar performance above and see what everyone else sang in the gallery!

Sound off on your favorites below!

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