Kim Kardashian had a very noticeable sidekick missing as she hit her first night of Art Basel celebrations ... she stepped out without Balenciaga.
Kim was among a slew of celebs -- including Madonna, James Blake, Travis Scott, Rande Gerber, Serena Williams, Khloe Kardashian and Leonardo DiCaprio -- to hit Miami Thursday for the annual art show which brings out huge collectors, stars and billionaires alike.