So I just found this gif. I can tell by the wig that this during Gaga's "Born This Way" era. Did newcomer Natalia Kills wear those same sunglasses a year ago back in 2010?
Why yes, yes she did! In her 2010 season of Love Kills!
You'll see her wearing the glasses around the 1:30 mark. The video was posted in 2010.
Also:
Are y'all ready for Lady Gaga to become Christina while Natalia Kills' career gets a boost?
Lmao, it's not that I really believe Gaga is copying Natalia (which is there is that small chance of it being true), but it's more of being excited that Natalia did something first
I stan for both, but I am willing to hear all arguments
Natalia is gonna be happy to hear this Although I'm not sure Gaga knows who Natalia Kills is or does. And what about the tower hair she had in the Free(?) video? Gaga did that, too. And what about Mirrors, I thought Gaga did that too? But in all seriousness, she can't just live in unison with all the other artists? And to the people that haven't heard of Kills, won't they say she tries to be like her with the clothing & The Fame? It'll be like the Madonna comparison 2.0 for her
But in all seriousness, she can't just live in unison with all the other artists? 
And to the people that haven't heard of Kills, won't they say she tries to be like her with the clothing & The Fame? It'll be like the Madonna comparison 2.0 for her 
