If anyone didn't notice, Stupid Hoe video makes fun of all pop cliches and icons in the last years. So the big eyes of Minaj is a reference - not a copy - of Bad Romance. And I hate Minaj, but she's not copying in this case.
The last one is Lil'Kim, a famous rapper (1996-2006) She is still making music, she is also someone that Nicki Minaj loves to copy... But that photo is from 2000, so Gaga actually got that one from Kim....
yes i noticed the first one of cher lloyd ..... like seriosuly cher katy and nicki and who ever the fuck it is at the end lol get a grip people gagas originall