Quiz: Real Names of the Stars!

What are Lady Gaga and Brad Pitt's real names? Find out how well you really know these and more household names! By Cara Lynn Shultz

Q: 1 of 10

Correct Answer: Stefani Germanotta

New Yorker Stefani Germanotta got her distinctive name when working with producer Rob Fusari, who compared her chops to Freddie Mercury's – so she took the name "Gaga" from Queen's hit song, "Radio Ga-Ga."