According to reports, the teen model was dining with friend Hailey Baldwin, 17, at the Mercer restaurant in Manhattan.
Reality star Kendall allegedly became angry when restaurant staff refused to serve her alcohol (Kendall is 3 years below the American legal drinking age of 21).
KENDALL JENNER 'MOVES ON' FROM HARRY STYLES WITH 5 SECONDS OF SUMMER'S ASHTON IRWIN
She then apparently attemoted to leave the restaurant without paying, before reportedly throwing money in her waitress’s face as she angrily made her exit.
The 18-year-old took to Twitter to address the rumours over her conduct in New York.
GALLERY: THE KARDASHIANS CELEBRATE KYLIE JENNER'S BIRTHDAY IN PICTURES
She wrote: “Said it once and I'll say it again, don't believe everything you read!”
“These rumors r absolutely ridiculous! I would never throw money in anyone's face or act that disrespectfully. I was raised better than that (sic).”
It later emerged that the waitress in question was former Skins actress Blaine Morris.
KIM KARDASHIAN ANNOUNCES NAME CHANGE TO MRS WEST
Following the alleged incident, Blaine tweeted: “That horrible moment you chase a kardashian down the street because she forgot to pay her bill to be thrown money in your face.”
Do you believe Blaine or Kendall’s side of the story? Let us know in the comments box below.