American singer, Lady Gaga, who turned heads as she arrived for the Golden Globes award on Sunday night rocking a flowing blue Valentino dress also wore a piece of expensive jewellery reportedly worth a jaw-dropping $5 million.

See the $5m worth of custom-made Tiffany diamonds Lady Gaga wore to the Golden Globes award (Photos)

According to Mail Online, the 'A Star Is Born' actress, 32, debuted the exquisite Tiffany Aurora Necklace on the red carpet which was custom made for her and featured 300 diamonds with a 20-carat pear-shaped stone at the centre.

See the $5m worth of custom-made Tiffany diamonds Lady Gaga wore to the Golden Globes award (Photos)

The hitmaker also donned a $115,000 diamond and platinum cluster earrings and a trio of bracelets.

See the $5m worth of custom-made Tiffany diamonds Lady Gaga wore to the Golden Globes award (Photos)