Serena van der Woodsen when...

another girl is flirting with you in front of her.

⠉⠉⠉

"This dress fits you perfectly." The girl told y/n. "I mean it's like it was made for you specifically."

Serena rolled her eyes as she listened to the girl flirt with y/n right in front of her. The girl knew that y/n was dating Serena, but she clearly didn't care.

"Oh thank you." y/n gave her a small smile. "My girlfriend picked it out actually."