So its Fionna b-day right and she is 20 and Marshall had a surprise for her(this is where amazing comes in the song)so she when to put on the dress that he got for her and went to Marshall's house (it ant Marshall its gumball) and she knocks on the door and says "Marshall lee baby are you home" and he says"just a sec" and she came in and sense Marshall lee and he said "hi babe happy b-day" and then gets up and take off his decided and thew her on the floor and kiss her and she slaps him off her and then yells for him and kick down the door and gets her and runs for it. and they were never sense again.hers where Finn and Marcelline and they were dating and that's a hole nether story.
