By what stage name is Stefani Joanne Angelina Germanotta known?
– Lady Gaga
– Gwen Stefani
– Angelina Jolie
– Joanne Woodward

Lady Gaga’s “Just Dance” swooped into the mainstream music scene in 2009. Her career has skyrocketed since then, gaining her numerous nominations and awards. Her hits include “Poker Face,” “Bad Romance,” “Alejandro” and “Born This Way.” In 2011, her Monster Ball tour earned $227.4 million, marking it as one of the highest-grossing tours of all time. A hip injury sidelined the performer in 2012, leading to cancellation of her second world tour. Source: IMDb.com