I used to have a friend at sixth form who used to do this and I remember just rolling my eyes and refused to do the same because I felt it was 'wrong'.
Now I'm a 35 year old single mum on an average salary and usually shop at high street stores like H&M, Dorothy Perkins, Oasis, Next. Am tempted to go somewhere nicer and just try on some lovely clothes, enjoy my figure while I can and just feel pretty. Is that odd?!