IB in interactive stories at Choose Your Own Change:
(If you add to any of these chapters, drop us a line here, OK?)
http://www.cyoc.net/stories/chapter_...lay_previous=1
Little girl and her evil stepmother fight over a magic bracelet which can turn them both into beautiful 20-somethings. (Lots of other TFs also)
http://www.cyoc.net/stories/chapter_...lay_previous=1
Slightly different thread, where the stepmother's friend becomes a beauty instead.
http://www.cyoc.net/stories/chapter_...lay_previous=1
Two 13-yearold girls with magic ring engage in some attribute theft, then settle for making each other taller and sexier (no AP), before an 80+ lady steals the ring and uses it on herself...
http://www.cyoc.net/stories/chapter_...lay_previous=1
Two 13-yearold girls (again!) come over an enchanted bikini with some weird tabs, which when changed makes the wearer prettier among other things.
http://www.cyoc.net/stories/chapter_...hapter_id=8579
Two women have transformed into satyres. When it wears off they're prettier than before.
http://www.cyoc.net/stories/chapter_...lay_previous=1
Teenager's mom uses his computer's magical software to become young and sexy. (Mostly AR, but a little IB I think)
http://www.cyoc.net/stories/chapter_...lay_previous=1
Homely teenager uses the same software to become gorgeous.
http://www.cyoc.net/stories/chapter_...apter_id=18311
Same as above, except it's a 47-yearold overweight housewife who does it.
http://www.cyoc.net/stories/chapter_...apter_id=31344
Girl asks her boyfriend, with a similar software, to make her beautiful.
http://www.cyoc.net/stories/chapter_...apter_id=18933
Two women have fun with potions. This one happens to increase femininity...
http://www.cyoc.net/stories/chapter_...lay_previous=1
Two 16-yearold girls try out transformation booth on each other and become 20-yearold knockouts.
http://www.cyoc.net/stories/chapter_...lay_previous=1
Teenager wakes up with the power to grant her own wishes, and wishes herself sexier/prettier before she goes to school.