Second Photo (left to right):

Girl #1:
Hair: SonyaSims - https://www.thesimsresource.com/downloads/details/category/sims4-hair-hairstyles-female/title/sonyasims-saturns-rings-hair/id/1519493/
Shoes: ShakeProductions - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/shakeproductions-490-sneakers/id/1502438/

Girl #2:
Hair: Nightcrawler - https://www.thesimsresource.com/downloads/details/category/sims4-hair-hairstyles-female/title/nightcrawler-love-potion-hair/id/1520268/
Shoes: ShakeProductions - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/shakeproductions-490-sneakers/id/1502438/

Girl #3:
Hair: SyaoVu (v2) - https://syaovu.tumblr.com/post/189337122717/maidenzia-hair-hair-info-base-game-hair
Shoes: ShakeProductions - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/shakeproductions-490-sneakers/id/1502438/

Girl #4:
Hair: Simandy "Pom Pom" - https://simandy.tumblr.com/post/628893558206857216/probably-not-jonas-brothers-related-i-saw-the
Headband: Trillyke - https://www.thesimsresource.com/downloads/details/category/sims4-accessories-female-hats/title/trillyke-moonwalk-headband/id/1467082/
Shoes: ShateProductions - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/shakeproductions-526-sneakers/id/1508167/

Girl #5:
Hair: LeahLilith - https://www.thesimsresource.com/downloads/details/category/sims4-hair-hairstyles-female/title/leahlillith-ribbon-hair/id/1384954/
Shoes: ShateProductions - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/shakeproductions-526-sneakers/id/1508167/

Girl #6:
Hair: Simpliciaty - https://simpliciaty.blogspot.com/2017/07/desirae-hair-mashup.html
Shoes: MJ95 (Madlen) - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/madlen-suzu-boots/id/1441040/

Girl sitting #7:
Hair: Anto - https://antosims.tumblr.com/post/634599883693768704/p-o-s-i-t-i-o-n-s-hairstyle-pack-hello-everyone
Shoes: Jius - https://www.thesimsresource.com/downloads/details/category/sims4-shoes-female-teenadultelder/title/jius-leather-and-suede-sneakers/id/1505822/

Poses: https://simmerberlin.tumblr.com/post/177212078253/celebration-a-mini-gift-this-group-hug-is
Sitting pose: https://www.thesimsresource.com/downloads/details/category/sims4-mods-poses/title/ariana-grande-inspired-pose-pack/id/1454738/

• Creating Tool used: Sims4Studio