W ax replicas of Justin Bieber were unveiled last week at Madame Tussauds museums in New York, Amsterdam and London. But the teen phenom is far from the first famous figure to be immortalized in the medium. It's probably no surprise that life-sized wax likenesses of legends like the Beatles and Elvis Presley have been made. But did you know that 21st century music's boldest names -- including Lady Gaga, Beyonce, Justin Timberlake and Taylor Swift -- have joined the legion? Here's a visual tour through 35 of the most interesting stars in wax.