Lady Gaga's devotion to hooks and spectacle has led to her taking her theatrical tendencies in dizzying directions—she transformed into a torch singer on the wrenching “Speechless", indulged her biblically epic side on the thrashing “Judas” and rode an electrified wild horse into the club on the saucy “A-YO”. She is an unstoppable pop chameleon who always stays true to her artistry.