Subverted: Alice turns out to be a thin, attractive woman wearing a fat-suit.
Double Subverted: ...of course, when people find her attractive in it, she decides to get fat after all.
Parodied: Alice is extremely obese and the other characters, who consider her very attractive, want to fatten her up even more.
Zig Zagged: Alice is an overweight and attractive woman, who feels self-conscious about her weight. She loses weight only to find that, not only does she feel no less self-conscious, she also seems to get less interest from other people. When she gets even fatter than she used to be, and learns to love herself no matter how fat, she gets even more interest than ever before thanks.
Averted: Alice is overweight, and is not attractive.
Enforced: Alice, an overweight writer, and Bob, a Chubby Chaser writer, create a television series starring a very overweight female actor as the fanservice, both out of personal interest and to spread the idea of that, when it comes to fanservice, Bigger Is Better.
Lampshaded: "I may be big, but I'm beautiful, too."
Invoked: Alice is thin who tries to gain weight to make herself beautiful.
Exploited: Alice notices that her boyfriend, Bob, is a Chubby Chaser. She gets fat to seduce him even more.