Old Lady Princess

Old Lady Princess was supposed to marry Ice King in the episode "When Wedding Bells Thaw". She has chartreuse skin, a lacy purple dress, and wears a crown with a blue bow. When Ice King tells Finn and Jake that he is getting married, she is seen riding in a wagon with many female Penguins, who were supposedly taking her to her bachelorette party. She was cursed by Ice King when she put on the engagement ring that he gave her. The ring was spiky, magical, and made of ice and it tricked her into thinking she was in love with Ice King, which was really quite the opposite. She was then freed from the curse at the wedding, where Finn and Jake take off her engagment ring.

Trivia
When she is falling and Jake caught her, when she says "Thanks Man" (herself inside her eye), her eye she is in, the bars are change from ice bars (Also seen in Prisoners of Love) to prison bars.