Emoji invoegen in MYSQL 5.5 en hoger met Django ORM

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        ...
        'OPTIONS': {
                    'charset': 'utf8mb4',
                    'use_unicode': True, },
    },
}

my.cnf :

[mysqld]
character-set-server=utf8mb4
default-collation=utf8mb4_unicode_ci

[client]
default-character-set=utf8mb4