Gravity Falls Mabel Pines Sweater Cosplay Costume Hallowcos Gravity Falls Dress Up play on Playgama (by Dolls Dress Up) Gravity Falls Mabel Pines Cosplay Costume Set For Women Red Crop Top With Rainbow Star & Purple Pleated Skirt From Uledemode_official, $35.08 DHgate.Com My twins this year for Halloween. : r gravityfalls Attendees portraying Mabel Pines and Dipper of Gravity Falls, at Comic Con in Los Angeles, CA, United States Stock Photo Alamy