As with the Tiffany Diamond, the rare appearance of this ... To see her subtle shift, compare the necklace Lady Gaga is wearing tonight to the Medusa necklace on view at the Tiffany Landmark ...

Keeping the focus on the stunning diamond necklace, Lady Gaga opted for a simple Oscars makeup look: bold eyebrows, soft ...

She capped off the look with an array of diamond jewelry by Tiffany & Co. Gaga confirmed ... Gabriel Attal during the Olympics. “He loves Lady Gaga, but he’s in love with Stefani,” a source ...