How I Wrote That Song: Shawn Mendes & Camila Cabello “I Know What You Did Last Summer”

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Published on January 5, 2016

Shawn Mendes and Camila Cabello share how the idea for “I Know What You Did Last Summer” came to them at a Taylor Swift concert, and how they improvised parts of the song in the studio.

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99 comments

  • Julianna Bartolome 3 years ago

    jimmy are you going to upload there performance please upload it .

    Reply
  • Julia Banana 3 years ago

    They’re just so adorable together. JUST DATE ALREADY!!!

    Reply
  • Alreem Kamal 3 years ago

    His voice is so high pitched omg

    Reply
  • Daniela Maldonado 3 years ago

    Their both talented and amazing

    Reply
  • warisop 3 years ago

    Her forehead.

    Reply
  • Rana Tamir 3 years ago

    IM IN LOVE WITH THAT SONGGGGGG ❤️❤️AND THEY LOOK SO CUTE TOGETHER ??

    Reply
  • Rana Tamir 3 years ago

    I wish they were actually together

    Reply
  • Mc Lovin 3 years ago

    Is she 12 years old?

    Reply
  • Sweet Dream or a Beautiful Nightmare 3 years ago

    Thirsty and Jealous Shawn Fans: Stop hating.
    OT4 supporters: Stop hating.
    Shamila disapprovers: Stop hating.
    Delusional Camren Shippers: Stop Hating.
    Delusional “I ship Shawn with me” people: Stop Hating.
    PLEASE!!!!!!

    Reply
  • Lovatic & IGOT7 & 5H I love TWICE!!! 3 years ago

    I’m so proud of Baby Mila ?

    Reply
  • Just B 3 years ago

    Ship it!

    Reply
  • Mohammed Ali 3 years ago

    I hope he gets friend zoned

    Reply
  • Camila Jauregui 3 years ago

    I love you Mila

    Reply
  • Alisa Christine 3 years ago

    Shawn looked in the thumbmail like an 12year old for one second

    Reply
  • Sel S. 3 years ago

    I do not hate but am I the only one who doesn’t ship them? I repeat, no
    hate intended ??

    Reply
  • Lea Nolte 3 years ago

    I’m a little Shawnie (Shawn Mendes Fangirl)??? Someone else here? ??

    Reply
  • Luna Freeman 3 years ago

    …I ship em. ?

    Reply
  • brenda rEis 3 years ago

    love them so much

    Reply
  • Escorpion S 3 years ago

    I love that song.

    Reply
  • Emma Treesh 3 years ago

    Bro tbh when they preformed his hair did not look like it did now?

    Reply
  • PointlessEve 3 years ago

    HAIRCUG OMGO

    Reply
  • mikayla iovine 3 years ago

    “Hanging out and jamming out”

    Reply
  • mikey clifford fan!!! 3 years ago

    I love how professional and passionate they are with music tho

    Reply
  • Bruce John Shourt 3 years ago

    Bad audio. Camera mike (?) plus the extremely loud ambient sound = poor
    signal-to-noise ratio.

    Reply
  • Ling Ling Ng 3 years ago

    I love Camila & Shawn. I have been following Camila for so long, she has
    grown so much. I am happy that she is doing what she loves.

    Reply
  • Joey Espinoza 3 years ago

    I SHIP IT #Shamilla

    Reply
  • camillybug2000 3 years ago

    Woooooooooooooow

    Reply
  • tenzin kunsang 3 years ago

    I just dislike that bitch!

    Reply
  • Łukasz Pośpiech 3 years ago

    she looks so much in love with him

    Reply
  • Vale Pintus 3 years ago

    Fifth Harmony.

    Reply
  • Vale Pintus 3 years ago

    only one thing. CA**EN

    Reply
  • Cailyn Green 3 years ago

    SHAWN BABY

    Reply
  • Leslie Mendes 3 years ago

    I LOVE SHAWN MENDES

    Reply
  • Dejaline Xiong 3 years ago

    The people thy wrote the song about????

    Reply
  • Grace333 3 years ago

    I NEVER CLICKED ON A VIDEO SOOO FAST IN MY LIFE

    Reply
  • ExtremePIRANHA 3 years ago

    Does anyone know where to buy pants like the ones Shawn Mendes is wearing?

    Reply
  • ALEXIS2062 3 years ago

    ?

    Reply
  • Maiara Maciel 3 years ago

    love u Camila cabello

    Reply
  • flower 388 3 years ago

    You can see jimmy doing the monologue on the tv on the back !

    Reply
  • Manal Mansur 3 years ago

    Shawn yawned at 2:30 but then controlled it???

    Reply
  • Tiger D.assefa 3 years ago

    “It took like 12 hours” 11 actually hahaha
    Sorry I had too.

    Reply
  • Vanessa Vargas 3 years ago

    I was smiling during the whole video, they are so cute.

    Reply
  • Chloe Voyer 3 years ago

    i love them both together so muchhhh

    Reply
  • Vincent Choi 3 years ago

    She’s hot

    Reply
  • Shannon Dubinski 3 years ago

    Did anyone catch a ring on Shawn mendas hand

    Reply
  • Ειρηνη Μ 3 years ago

    2:19 is totally Camren for me , i can totally see the little Camren behind
    her eyes … *waits for the hate *

    Reply
  • Melissa Horan 3 years ago

    Omg I waited all freaking day for this!

    Reply
  • wotvibes 3 years ago

    YESS! Shawn and Camila?

    Reply
  • Yahaira Velazquez 3 years ago

    Shawmila ?

    Reply
  • phil chao 3 years ago

    well we know where they got the title of the song from lol

    Reply
  • 1000 2000 3 years ago

    She is hot spicy

    Reply
  • Kingdom Clarke 3 years ago

    to me its super funny cause its like …awkward

    Reply
  • mzlilyellowfellow 3 years ago

    I just stare at these two like they are inlove ? :p #Shamila

    Reply
  • Adonis Amarante 3 years ago

    Hair

    Reply
  • Kyle Trinidad 3 years ago

    MY PARENTS

    Reply
  • Rowie Lynne 3 years ago

    Waaa Shawn and Camila look so good together. i ship them haaaard! ??

    Reply
  • Mary Petry 3 years ago

    When are you going to do ew again

    Reply
  • Daylee Nakatani 3 years ago

    I hope they’re dating

    Reply
  • Kakikordally Jansegui 3 years ago

    Camila Queen??

    Reply
  • Salvador Navarrete 3 years ago

    really

    Reply
  • Johana20 3 years ago

    Omg Shawn looks hot, damn ??

    Reply
  • Nash 3 years ago

    Is she not part of 5th harmony anymore?

    Reply
  • Marianna Call 3 years ago

    I love their friendship

    Reply
  • Jered Jorgensen 3 years ago

    U can tell the way she looks at him she wants to fuck him

    Reply
  • phyllissa taylor 3 years ago

    I think they would make a really cute couple is they do date but I like
    their friendship the way it is????❤️❤️

    Reply
  • Ally Chen 3 years ago

    Omg I love both of their personalities sooo much <333

    Reply
  • shawn mendes 3 years ago

    They look so fetus here omg

    Reply
  • Andre Zavala 3 years ago

    Hhmmmm…cheating.

    Reply
  • Lizeth Solis 3 years ago

    So everyone is talking about how good relationship they would be, and I’m
    just like “did you see shawn burp?” 2:30 ?

    Reply
  • Majo HD 3 years ago

    “Sometimes, on Tuesdays” -Camilla ❤️❤️❤️???

    Reply
  • Genevieve Anne 3 years ago

    He’s breathing so heavily ??

    Reply
  • Banana Milk 3 years ago

    I hate that everyone knows they are in love but them

    Reply
  • Fernanda Quiñonez 3 years ago

    Camila with straight hair looks like the actress from jessica jones hahaha

    Reply
  • Morena Fernández 3 years ago

    i love them. in love with camila

    Reply
  • Rosie Martinez 3 years ago

    If they were dating I will be so happy ?

    Reply
  • Cristal Rodriguez 3 years ago

    Jimmy you need to have them back again next time with a long interview &
    performance

    Reply
  • Esmeralda Luna 3 years ago

    I ship it?

    Reply
  • Lorena Andrea 3 years ago

    My opinion: Shawn is absolutely perfect not only his voice but, his face
    and he’s so talented.. And Camila has always gotten the most praise of 5th
    harmony and that’s the truth, believe it or not. She’s really talented and
    I think that it’s great that she decided to be her own artist for a song
    with Shawn. I personally, don’t really like the song though. I’m a huge
    Shawn Mendes and Fifth Harmony fan, don’t get me wrong. And I personally
    don’t ship them together (not hate intended). I just think they have more
    of a brother/sister relationship and I think all harmonizes should all be
    supportive of Camila for going her own route from the group for once. I
    think other group members in boy and girl groups should do this too.

    Reply
  • Lacey Javvad 3 years ago

    omg I loves this ??

    Reply
  • Iarz Nizer 3 years ago

    He touched her a lot lol

    Reply
  • jeremiah pittmann 3 years ago

    She sounds like she smokes

    Reply
  • Clarissa Chan 3 years ago

    TAYLOR’S CONCERT

    Reply
  • Janah Cornelio 3 years ago

    Camila’s hair got short..

    Reply
  • Hano Wael 3 years ago

    awww I so ship them I love them both

    Reply
  • xStahri1 3 years ago

    OMG I WAS AT THAT SHOW AT SANTA CLARA

    Reply
  • blahmustbebordom 3 years ago

    aww so young, so passionate.

    Reply
  • Spread The Love 3 years ago

    Stop hating on Camila.

    Reply
  • ssweet dispositionn 3 years ago

    Camila needs to remember that she’s in a girlgroup too… but I do support
    Camila

    Reply
  • Amylopez15 3 years ago

    She has a five head.

    Reply
  • Karlie Caldwell 3 years ago

    2:40 how he stares omg

    Reply
  • camEEla cabeYo 3 years ago

    they need to do this again

    Reply
  • Melissa Horan 3 years ago

    I Love their friendship! But honestly I don’t think their in a relationship
    …. Why can’t boys and girls just be friends?

    Reply
  • mansikanpoikanen 3 years ago

    Shawn looks so exhausted

    Reply
  • Chantel Meister 3 years ago

    Shawns hair! omg

    Reply
  • Ayy Lmao 3 years ago

    is it just me or did shawn dye his hair darker? or maybe it’s the lighting
    idek.

    Reply
  • Danielle Santos 3 years ago

    Now that was real. I just love how much passion u can see here! Genuine
    love for that they do! Absolutely love this! You guys were amazing!

    Reply
  • Kira Marie (KiraaXMariee) 3 years ago

    Shawn’s hair looks a bit different

    Reply
  • Sadia Ahmed 3 years ago

    Great x

    Reply
  • Sel Ya 3 years ago

    The title sounds like an A note from Pll

    Reply

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