Wow she was freaking awesome. Luke is right.

I’ve never seen anyone close to my age who listens to rock. I wanna be her friend

Its amazing how popular Motley Crue still are 40 years later....gotta love it.

Woooow!! Winner 2021! SO much talent!!

Why is Katie Perry dressed like Tyler Perry as Madia

Wonderful rendition of my funny Valentine! Definately suited to Blues.

I have listened to Casey’s audition 10 times already. I went back to listen to Alejandro’s first audition, which I loved, and I think she is the winner. The ease at which she hit her notes, the energy, the flow and her voice timber....Mmmmm. I’m a fan!

How can after all these years and the many times hearing artists singing this song, I would say her rendition was/is one of the best. How can that be?

Incredible talent! God gave you that gift girl......and Angels smile when you sing.

This girl is AMAZING!!!

She will win Idol hands down! She is the type of contestant that Idol loves as a winner. I am rooting for Willie too, but he is not as marketable unfortunately. Hopefully he can make top 3, but no one is beating this girl.

Who tf are the 800+ people that gave it a thumbs down??!?

So young and so talented. She’s only going to get better.

Wow!! Another amazing young lady... already has the talent of a star.

Doesn’t matter what she signs it’s great

She’s awesome

Keep in mind, she's 15...she has pretty amazing voice control. Those runs and vibrato...She is pretty damn incredible. With practice practice practice, she will only keep surprising people.😉

Is nobody going to comment on the fact that she had Sarah Vaughn in her back pocket, geez? She's fifteen. Her mom was probably a little kid when Sarah died. Her voice is so controlled and so angelic. I think Sarah would have cried and hugged her afterwards. I can't wait to see what else she has in store. Her repertoire is already better than 95% of who show up. She went from metal hair band to Sarah freaking Vaughn...at FIFTEEN. I just can't wait. Her life has already changed and she doesn't know it

Absolutely STUNNING!! This young lady is amazing!! I agree with Katy... old soul and Luke....winner of AI FOR SURE! And she deserves it!!

She has to be the winner LITTERALY GAVE ME CHILLS

Not taking anything away from Casey, I thought she did an amazing job. But this is the version that she was "covering". czstate.com/v/fKidsG6bsJika5k/video.html

Wow....🎉🎊👏

She made me cry

Just a 💎 in the ruff. Amazing.

omg...she is so talented!! Absolutely stunning

Amazing, beautiful and adorable!

WOW!

Real deal

🖤 the range

Wow...thats pure talent right there. I hope she puts out a record even if she doesnt win. It would sell like crazy!!!

AWESOMMMMME!!.. & adorable!!!

Wow, I like her voice.

WOW!!

Hello to everyone from American idol. Keep up the good work and stay safe. PS, tell Katy Perry i said hi.

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She’s a winner at 15 years old! Holy cow!!

Got the craziest chills on earth!

She's 15 and listens to Nirvana! There's hope yet for the future.

One of the best auditions I've seen on American Idol! Could very well be the winner of American Idol 2021! Well done!

Omg! Whole package right there...she is ahhhhhmazing! Winner for 2021!

Wow!!!!!

15yr!

package

Awesome

So natural wow!!!!! The second genre may win her but she can do both amazing talent.. so excited this season. Yey A.I is backkkk

She is basically whole of 20th century singers brought back in a single person. The sheer scale of her voice is impeccable

Winner winner!!

Trying to figure out how this works. This child has been recording for years. She has a beautiful voice but I though it was for inexperienced singers. Check her out on iTunes.

This girl went at it👏🏻👏🏻👏🏻👏🏻

🤘🏻

LOVED IT!!!! I'm SO in to vote for her!

So prepared!! Greatness in the making....enjoyed both songs !Beautiful 🏆Winner of AI 🎵

Stunning

Amazing... Lost for words...

Wow wow wow. The control she has is mindblowing. And that voice! A star.

I'd love to see her fronting a band. She's got front woman rockstar vibes. Only fifteen wtf!!!!

Woooow beautiful ❤️

The seemly crayon minimally irritate because gate optimally itch till a awful hardhat. complex, crazy thought

I will be mad if this girl didn't make it to the top5 or win this year american idol

You go Kim Possible 👏🏽

The competition is now over!!

Hold on, 15 years old? Damn what a gifted child.

Her vibrato is golden

That second song 🔥

bro this shit was crazy like how she's to gooooooooood like bruh i thought I was in the 90s

Lots of negative comments here about this young lady but I believe she can nail anything that they throw at her. Rock, blues, country or whatever. Most idol contestants are usually just one type of music. Of course they all can sing a few songs from a different genre that possibly fits their voice but I don't think it matters what this young lady sings, I believe she'll hit it out of the park. Just as former contestant James Durbin did. Doesn't mean she'll win but I think an idol should be diverse and I believe she has diversity to spare.

MIC DROP 🎤🎙

why do white girls look decades older than they actually are?

She good but she not ready

A talented lady. Love her so much.

Reincarnation of Janis Joplin But them pipes .....Whitney

Such an amazing talent. She can sing anything... I can just imagine her belting out some Heart : Crazy on You, Alone, What about Love. Or showing her softness with some Joni Mitchell : River, Both Sides Now, Help Me...

Innate talent is mysterious and wonderful.

Casey can really sing My Funny Valentine she just has this soul about her! A girl Alice Fredenham sang the song on Simon cowell's auditions and they both sound the same they are amazing that girl went on to do other songs and sell them. I think Casey can just really sing age 15 wow 💗👍👋💯

YES!

It’s the arrangement Alice Fredenham did on the UK show...note for note...with great success as well. The kid can sing...that’s for sure. They put her on the spot and she delivered. Put her in a good dress with a band behind her...and some strings...she’s a star! Or at least she’s on her way.

This girl can sing! Just an amazing voice. Next idol Winner

DDDDAAAMMMMNNN! Nice voice

Shades of Alice Fredenham, whose equal has never been found.

Luke is just melting...................

Wow, that was stellar.............. and beautiful. and YOU will be in the final for SURE. Funny valentine that was so awesome❤❤

She will be in the finale for sure! Her voice OMG❤️ I can listen to hear sing that song all day!

Goosebumps on 2nd song. Wow Wow Wow

15 with this much beauty, talent and likability WOW 😳 I hope she gets a loving protective team behind her and she will be amazing and hopefully take over the worlds ears and hearts 🥰🥰

YES, YES, YES!!!....👌👌🙌❤❤❤😁

Way cool an im a grey crue head just way cool

She's the one this year 🙌

I agree - here we have the winner of 2021American Idol .unbelievable talent .f Love to hear her sing “ At Last”

Wow wow she’s amazing !!

I wanna hear her and Angelina Jordan sing this song. If they had sung it together I think it would be heavenly honestly💗🥺

Really random but she looks kinda like Madison Beer

That tone

perry FAT!!!

too bad she wont win like Luke predicts, because America always votes for the boring fogettable singers . Laine Hardy?? Alejandor BLEW HIM OUT OF THE WATER.....Jus Sam . yes, very good but we have seen her act so many times. 2nd runner was way better than her. The list goes on. ....its ok, being bound to an AI contract is bad for your growth anyways.

No one: Katy Perry: "I have socks older than you."

No One can do this With 15 , Not her First time on the Planet, i cant believe it

She's like Adele little girl version ❤

I love that she’s so into rock, HOWEVER, her natural singing style is much more fitted to blues...or even jazz! She can do both, but it’s very clear that textured and buttery voice of hers is made for a more classical genre.

Years of voice training. She's very good. I assure you, her friends aren't the only ones who knows she likes to sing.

Una joven y multitalentosa Norah Jones me la recordó.