Katy Perry "Witness": Best.Cover.Ever. Final Duet

Riley Biederer, joins Katy Perry on stage to sing Katy's hit song “Witness.”
Riley Biederer
/ rileybiederer

[@diegogrecaoteo47]

Witness has to be the next single. A truly masterpiece!

[@singitout3022]

Diego Greca Oteo lunar.,lunarll

[@Mausi-sk9tk]

Katy's voice really improved over the years! Love it!!

[@leonardobatista3574]

She deserve a Grammy. See You in Brazil, Queen.

[@marcusqueiroz]

OMG KATY'S VOCAL IS SO AMAZING 💕 ILYSM MOM

[@Matt-mw6hb]

Can we talk about katy's vocals please?

[@hyliangirl4437]

Matteo c: No. There's nothing to talk! Best vocals ever!

[@kickthejamz]

The vocals and writing of a Goddess if only I had chance to do the same along side her... One day...

[@devilblaze5405]

@@hyliangirl4437 I thought you were a hater at first LMAO

[@laro262]

( ≧Д≦)🖤🥀👑

[@george-kl6gs]

Katy perry is amazing

[@WITNESS_s_]

This song is life

[@WITNESS_s_]

KatyPerryWorld jajaja si

[@thomasbittencourt1994]

QUEEN OF POP!

[@stevebrownrocks6376]

Thomas Bittencourt talentless psycho left-wing anti-American skank.

[@gustavosb4368]

Thomas Bittencourt me fode

[@tonalong7295]

Lmao ! Please look at Madonna and Britney Spear first

[@lucasf.987]

Queen of flop* convenhamos né amore

[@thomasbittencourt1994]

Flop é sua vida fracassada! Katy está no top 10 das cantoras mas bem pagas na atualidade, tem o 3 Album mais bem sucedido do US e está no top 5 WW, é a cantora com mais certificados em vendas esse ano, ganhou 3 diamantes, tour aclamada, com 4 albuns está em 9 sendo a melhor no BB HOT 100 da história além de ter o 3 album mais bem sucedido da década ficando atrás somente da Adele.. convenhamos né amore

[@Marcousse]

Thumbs up if you want Witness to be Katy's next single and for it to have a music video 😍😝

[@vickypp8778]

WITNESS NEEDS A MUSIC VIDEO

[@Rosy224]

Im crying this is sooooo good!

[@Rosy224]

^_^ love you!

[@mrman-mk2nq]

Witness should be radio single, btw great job both of you!

[@اممازن-ل3ن]

Love you my queen Katy perry

[@texashazzard7606]

I love Riley she's so amazing loved her on the voice

[@joerodriguez9551]

JoshMoviesNMusic p

[@Jack-es5pz]

QUEEN OF POP 🇧🇷

[@brendaespinosa2821]

Brasil loves Katy

[@stxriesunfold]

THIS IS INCREDIBLE!

[@igorsoares9017]

Witness next single pleaseeeeeeeeee 😍😍😍😍😍😍😍

[@pattlovato7436]

YESS KATY 💙💙🎶

[@TB-om4dd]

Katy Perry put LYNK to open Witness The Tour in Australia dates!

[@Vitor-mm4ub]

LYNK?

[@saifulkassim]

Love mom katy 🌷🌷🌷

[@Dazitto]

Katy ❤️

[@glenjeffs6182]

Nice performance ladies, 😍😍😍😍

[@MegaShayLaLa]

this is actually so so so good

[@sidney4818]

I love that performace ❤❤❤ Ohhh god, katy is Perfect I love youuuu

[@mustafarizkyhusen7e616]

Katy's vocals tho❤❤

[@flower-sd6le]

😍😍😍😍❤️ KATY QUEEN 😍😍😍😍❤️

[@bartekk5517]

awww its so cute

[@sandysandilya3852]

Love you Katy forever 💞❤️

[@maryroselegaspi387]

This is amazingggg❤️

[@felipemactura6739]

ÍCONE!!!!

[@juanreis3997]

PERFECT

[@remitoussaint2327]

Beautiful Katy I will love you forever !!

[@Hennrioficial]

Love this rockish version

[@eriiicckkk2353]

QUEEN 👸

[@pedroinacio5834]

SINGLE! Por Favor!

[@carlosmello]

Te amo ❤

[@yodasoda6372]

KATY PERRY IS QUEEN!

[@murilosousa2022]

HINO❤

[@josemichael1998]

WITNESS!!!

[@juanreis3997]

QUEEN ❤

[@mohdshazalaswad1135]

both amazing goddddd!

[@mohdshazalaswad1135]

Riley Biederer Im from malaysia! Good luck and wish you all the best in your journey! ✨✨

[@AlbertoCastillatv]

Witness es un temazo!!! Siempre en mi corazón.

[@xaviercastello9688]

No conocia este cover y me encanto

[@ireegarrido]

my ears have been blessed 😍

[@sandysandilya3852]

My eyes and ears aswell

[@diegolecassally4720]

Tô em 2023 e ainda tô aqui

[@vocalistamik5882]

If this is a Battle beteween Katy and Riley Katy will surely win With her powerful vocals and The way she sings is so Pure Riley is a good singer but damn KAty can sing! Taylor who?

[@ronnyschummer]

Miko Andaya the Taylor who was unnecessary. No need to put others down. But I really love this song tho

[@chloe-vh8si]

Mikmik Andaya YAS SOMEONE WHO UNDERSTANDS ME

[@heyitzender8528]

Ron Thank you for not attacking them and kindly letting them know it wasn’t necessary. Not a Swiftie myself but we could use more like you

[@whatsnext613]

Taylor can sing too

[@SarahMcAsey93]

was on the verge of crying.......this is good ✌💓

[@funonutube100]

Damn that Riley Biederer got pipes!!!!!!!

[@hennihenni4322]

yessss halsey she did that!!!! i love witness!!!!

[@gigicosta64]

this song is everything 😍 Katy is amazing, wow

[@graceecopiado285]

Lyrics and vocals. YAAAS KATY! YOU GO GUUURL!💕

[@shahabashakeel55]

starts perfectly 🎇

[@brandonandres6646]

Katy Perry next single

[@Addi59]

So many goosebumps!

[@juanreis3997]

Love it,

[@marcxsvinicius]

Katy 😍👑

[@deliacastro4348]

This sounds dope😍😍

[@frederiksandberg4479]

You were a cuttie then and now beautiful.

[@_soyluissanchez3049]

I love it !

[@shutterstar7869]

Omg😻😻

[@SaharisRed]

Should have been included in the deluxe version as a remix with a feat.

[@salaxarsu9769]

Slaysss

[@-MUHAMMADAIMANSHAHZRIN]

this is still epik

[@laurenelise4818]

God katy slayed this one

[@gigicosta64]

those Katy vocals though 💥💥💥💥❤

[@claudiajordan6376]

Katyy!!!

[@andreawatsonmusic]

👏 👏 nice God bless all

[@christygoldstandt9415]

YES!

[@nadiachebaklo3516]

So is demi group and Katy Perry group and Charlie puth group gonna compete?

[@abidhossain1619]

ND GoldGMR idk!!!

[@flcc94]

what? why

[@tulip666trap]

We need a music video for this song frfr

[@LU-tu6br]

❤

[@danilobarbosa2457]

here i'm again, listening one of the best katy's song. 🧡🧡🇧🇷🇧🇷 1️⃣4️⃣3️⃣ IS OUT NOW 🦋

[@nubiayokotobi4590]

e ai, bora testemunhar???

[@bluebird7315]

P E R F E C T

[@ebrunaz4214]

Such a great song

[@fanstylestyle2744]

katy queen

[@liliatitchenko5060]

3:06 aaaa wowwwwwww😮😯😮😯😮😯😮😯😘😘😍😍

[@osielreyes3112]

Art ✨

[@juanakawaii9923]

amo a katy!

[@stevanhatts5728]

uau 😍😍😍😍😍😍😍

[@lorsdi]

Maravilhosa ❤

[@johannaquimbo3432]

YESSS!!! 💖💛

[@CarmenLopez-mf5qx]

Omg omg omg omg omg omggg 😭😭😍😍😍 I'm screaming at everything rn😭😭😍😍😍😍😍❤❤❤ this is too much for me😍❤

[@andersoncavalcante2420]

❤❤❤❤❤

[@joseaugustodossantos6488]

MUITO A MÚSICA, MUITO BOM !!

[@ulissesoliveira6836]

I just discover this chanel!

[@thelucifer0099]

Katy finally got her witness

[@alinaa3126]

See my Queen today❤️

[@CotugnoStefano]

This is so good omg

[@spikew2700]

Perfect!

[@bellelim9247]

for me, this is the bestttttttt

[@luizfilipe4781]

Adoro essa canção

[@josehenrique4905]

omgggg

[@zsazsaloreto8404]

If roulette can't be the next/last single, witness should be❤

[@melodytian]

No one gonna comment about her killer eyeshadow 💕

[@ldshandle]

All hail Queen Katy

[@Matheus-bx9iq]

esssa música eh perfeita

[@chromaticaaoty175]

The other singer sounds good but I wish this was only Katy because she sounded REALLY good in this particular clip.

[@everythingishere5438]

kat slays

[@mrman-mk2nq]

Roulette should also be radio single