Gilderoy Lockhart, page 452: Let it be no surprise to you that I was always special, always the centre of attention! I remember in my Seventh Year at Hogwarts they decided to hold a Valentine’s Ball, oh what an absolute blast it was for someone as incredibly popular as myself!
Q: Are they all from the female students, Mr Lockhart?
Gilderoy: Girls! Boys! Everyone else! No one can deny-
Q: And I notice you’re not wearing your normal school uniform the way all other students do?
Professor Mcgonagall: Mr Lockhart, for the eleventh time now, get changed into your school uniform and wear your tie properly! Or else you are risking ten more points from Ravenclaw!