![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)
Lady Gaga Wears an Alexander McQueen Black Gown and the Legendary 128 Carat Tiffany Diamond to the 2019 Oscars
![Lady Gaga Stuns at Critics Choice Awards 2019: Photo 4210937 | 2019 Critics' Choice Awards, Critics' Choice Awards, Lady Gaga Pictures | Just Jared Lady Gaga Stuns at Critics Choice Awards 2019: Photo 4210937 | 2019 Critics' Choice Awards, Critics' Choice Awards, Lady Gaga Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2019/01/gaga-cc/lady-gaga-critics-choice-2019-awards-02.jpg)
Lady Gaga Stuns at Critics Choice Awards 2019: Photo 4210937 | 2019 Critics' Choice Awards, Critics' Choice Awards, Lady Gaga Pictures | Just Jared
![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/5c73404402d3e77159d90300/6:7/w_1026,h_1197,c_limit/lady-gaga-oscars-2019-tiffanys-necklace.jpg)