Older Alter Ego/Playing With

Basic Trope: A character transforms into the older version of himself/herself.

Straight: Alice transforms into her 16-yr-old self, Candy.
Exaggerated: Alice, a month-old baby, can transform into adult buxom beauty Candy.
Downplayed: Alice, a twelve-year old, can turn into a thirteen-year old.
Justified: Candy is Alice's Magical Girl alter ego, and age changing is part of the shtick that makes no one find out about it.
Inverted: Candy can transform into her younger self Alice.
Subverted: Alice gains the ability to transform, but her new body turns out to be about the same age as her original one.
Double Subverted: The transformation takes a few minutes, and after Alice thinks she's done, her body continues rapidly aging.
Parodied: Alice, a twelve-year old, can transform into 90-year-old Candy.
Zig Zagged: While Alice's sixteen-year old body looks like that age, she has the body maturity of a twelve-year old.
Averted: Alice is just dreaming of the transformation.
- Alice can transform, but remains the same age.
Deconstructed: Alice develops mental problems due to having and older body.
Enforced: "We can't show a child fighting and putting herself in danger. We'd better find a way to make her seem more adult."
Lampshaded: ???
Invoked: ???
Exploited: Alice deliberately seeks out the Orb of Transformation in hopes that it will make her look old enough to get into an R rated movie.
Defied: ???
Discussed: ???
Conversed: ???