![Lady Gaga Wears an Alexander McQueen Black Gown and the Legendary 128 Carat Tiffany Diamond to the 2019 Oscars Lady Gaga Wears an Alexander McQueen Black Gown and the Legendary 128 Carat Tiffany Diamond to the 2019 Oscars](https://hips.hearstapps.com/hmg-prod/images/lady-gaga-attends-the-91st-annual-academy-awards-at-news-photo-1127185521-1551055313.jpg?crop=1xw:0.69086xh;center,top&resize=1200:*)
Lady Gaga Wears an Alexander McQueen Black Gown and the Legendary 128 Carat Tiffany Diamond to the 2019 Oscars
![Oscar 2019 Winners | Oscars 2019: Lady Gaga wins her first-ever Academy award, 'Green Book' takes home best picture Oscar 2019 Winners | Oscars 2019: Lady Gaga wins her first-ever Academy award, 'Green Book' takes home best picture](https://m.economictimes.com/thumb/msid-68146871,width-1200,height-900,resizemode-4,imgsize-426935/ladyali.jpg)
Oscar 2019 Winners | Oscars 2019: Lady Gaga wins her first-ever Academy award, 'Green Book' takes home best picture
![Oscars 2019 Red Carpet: All the Details on Lady Gaga's 128.54-Carat Tiffany & Co. Oscars Necklace | Glamour Oscars 2019 Red Carpet: All the Details on Lady Gaga's 128.54-Carat Tiffany & Co. Oscars Necklace | Glamour](https://media.glamour.com/photos/5c734076e1c64875ba96df94/master/w_1600%2Cc_limit/GettyImages-1127197663.jpg)
Oscars 2019 Red Carpet: All the Details on Lady Gaga's 128.54-Carat Tiffany & Co. Oscars Necklace | Glamour
![Oscars 2019 Red Carpet: All the Details on Lady Gaga's 128.54-Carat Tiffany & Co. Oscars Necklace | Glamour Oscars 2019 Red Carpet: All the Details on Lady Gaga's 128.54-Carat Tiffany & Co. Oscars Necklace | Glamour](https://media.glamour.com/photos/5c73404402d3e77159d90300/1:1/w_1200,h_1200,c_limit/lady-gaga-oscars-2019-tiffanys-necklace.jpg)