Visit the official site: Louisa Johnson wants to be just like her idol Beyoncé, with the 17-year old hoping to bag herself a place in Ritas final .\rbr\rbrShes such a sweetheart. Definitely a fan favorite!!\rbr\rbrLouisa Johnson wants to be just like her idol Beyoncé, with the 17-year old hoping to bag herself a place in Ritas final three with her rendition of Aretha .\rbr\rbrVisit the official site: Louisa Johnson wowed the Judges with her Arena Audition, and after impressing in the Group Task, the 17-year old is .