Stage name: Lady Gaga Real name: Stefani Joanne Angelina Germanotta

Stage name: Natalie Portman Real name: Natalie Hershlag

Stage name: Katy Perry Real name: Katheryn Hudson

Stage name: Vin Diesel Real name: Mark Sinclair

Stage name: Alicia Keys Real name: Alicia Augello Cook

Stage name: Meg Ryan Real name: Margaret Hyra

Stage name: Portia de Rossi Real name: Amanda Lee Rogers

Stage name: Elizabeth Banks Real name: Elizabeth Mitchell

Stage name: Elton John Real name: Reginald Kenneth Dwight

Stage name: Jamie Foxx Real name: Eric Marlon Bishop