French YouTube vlogger who is known for her JusteJo channel's content. She has gained popularity there for her challenge completions, friend tags, vlogs about her life, and vocal covers of popular songs.
She began her YouTube channel on February 19, 2014.
She has amassed more than 500,000 subscribers to her YouTube channel. She has also earned more than 270,000 followers to her JoannaHanna Instagram account.
She has featured extended family, including her cousins, on her YouTube channel.
She posted a cover song of Lady Gaga's hit "Million Reasons."