public static function remove_from_collection()
 {
     $params = $_POST;
     $outfit_to_remove = $params['outfit_id'];
     $user_id = $_SESSION['user'];
     Outfit::remove_from_collection($user_id, $outfit_to_remove);
     Redirect::to('/outfits/' . $user_id, array('message' => 'Outfit removed from collection!'));
 }