If you think she hasn't done anything to her face, you have to be delusional. As someone who has been an active fan of hers for very long, you just know when it's makeup or not.
Gaga has always had full cheeks,
No matter how much contour she had, she always had cheeks.
she's obviously had a nose job and she clearly gets fillers, which make her face look puffy and weird sometimes (she's too young for them in the first place, imo). but i think what you're showing is just makeup.