Dog makes an appearance at the Met Gala dressed in tuxedo and diamond leash

At New York's Met Gala , guests are known for attention-grabbing outfits , from Katy Perry 's human chandelier dress to Kim Kardashian 's all-black body suit. But one attendant in particular has stolen the limelight this year - and he's not even human. Indian-American entrepreneur Mona Patel rocked up to the annual event on Monday night with an adorable robotic dachshund in tow.