Camila Cabello goes full-on sexy schoolgirl to perform My Oh My with rapper ...

Pop star Camila Cabello went full-on sexy schoolgirl in plaid mini-skirt and white knee-high socks while performing on Thursday's episode of .

The Cuban-born, Miami-raised 22-year-old bared her taut tummy in a green-and-blue custom Ashton Michael costume beneath a letterman jacket and white booties.

The Fifth Harmony alum's neon-hued high school pep rally featured her Gucci-clad collaborator DaBaby, who raps on the sixth single off her second studio album Romance.   

'Girls just wanna have fun!' Pop star Camila Cabello went full-on sexy schoolgirl in plaid mini-skirt and white knee-high socks while performing on Thursday's episode of The Tonight Show

'Girls just wanna have fun!' Pop star Camila Cabello went full-on sexy schoolgirl in plaid mini-skirt and white knee-high socks while performing on Thursday's episode of The Tonight Show

'@dababy, man you are so sweet, so fun, so talented, so humble,' Cabello - who boasts 71M social media followers - gushed on https://www.instagram.com/p/B5_tnrzJy08/.

'[I'm] honored to have you perform with me man, and so excited to see you keep crushing it!'

Camila (born Karla Estrabao) pretaped their performance Wednesday - the same day she played a game of " frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen with guest Ryan Reynolds and host

One more time: The Cuban-born, Miami-raised 22-year-old bared her taut tummy in a green-and-blue custom Ashton Michael costume beneath a letterman jacket and white booties

She relies on styling duo Mariel Haenn + Rob Zangardi

One more time: The Cuban-born, Miami-raised 22-year-old bared her taut tummy in a green-and-blue custom Ashton Michael costume beneath a letterman jacket and white booties

Duet: The Fifth Harmony alum's neon-hued high school pep rally featured her Gucci-clad collaborator DaBaby (L), who raps on the sixth single off her second studio album Romance

Duet: The Fifth Harmony alum's neon-hued high school pep rally featured her Gucci-clad collaborator DaBaby (L), who raps on the sixth single off her second studio album Romance

Cabello gushed on Instagram: '@dababy, man you are so sweet, so fun, so talented, so humble. [I'm] honored to have you perform with me man, and so excited to see you keep crushing it!'

Cabello gushed on Instagram: '@dababy, man you are so sweet, so fun, so talented, so humble. [I'm] honored to have you perform with me man, and so excited to see you keep crushing it!'

In it, the Living Proof hitmaker claimed she lost her former tourmate Taylor Swift's beloved eight-year-old Scottish Fold cat Meredith Grey (named after the Grey's Anatomy character). 

'She asked me to babysit her cat. Her cat kind of had a weird

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