Fleur purposely eavesdropped when her friend told her Cedric was asking you to the Ball. Of course you rejected him because you had someone else in mind. When Fleur heard you were going to ask her, she got excited.

•••

"Sorry, Ced. I'm going to ask Fleur."

[A/N]

yes mom. make the anti social one call back explaining that you changed your mind on something that was discussed two minutes prior.