Pop star Lady Gaga has become so popular in just in two years that eight of her waxworks have been unveiled at Madame Tussauds museums worldwide. Museums in London, New York, Las Vegas, Los Angeles, Amsterdam, Berlin, Shanghai and Hong Kong - are displaying replicas of the eccentric singer, with each figure donning an iconic outfit made famous by the Poker Face hitmaker. Gaga's first album was The Fame and after its rlease in 2008, the singer reached dizzying heights of popularity and has been making headlines ever since.