At just 18 and 16-years-old, Kendall and Kylie Jenner are a fair few years off the legal drinking age in America. So let's just hope that the teenage reality stars were just enjoying a fancy glass of soda as they partied with birthday girl Khloe Kardashian.
The two girls were spotted drinking out of wine glasses as they celebrated older sister Khloe's 30th birthday in New York yesterday.
Dressed casually in a army print jacket, Kylie enjoyed a quick glug from her large wine glass, apparently not concerned about being spotted by her fellow party goers.
Supermodel Kendall was similarly nonplussed as she drank from a Champagne flute whilst chilling out on the lavish yacht.
Kendall and Kylie Jenner are below the 21-year-old legal drinking age in America (Splash News)
In the past, both Jenner sisters have spoken out against the rumours that they party too much.
Taking to their individual Twitter accounts in October last year, Kylie said: "I'm sorry to disappoint, but Kendall & I will not grow up to be let downs. I know that's what some people would unfortunately like to see...
"but I'm not going to sit around and let grown adults create untrue stories about me underage drinking & partying every night with a fake I.D"
Khloe, Kendall, Kylie and Kim partied together last night (Instagram/kimkardashian)
Kendall also took a stand as she tweeted: "I am so done with everyone making my little sister and I out to be something that we are not"
Before adding: "No one has fake ID's and no one's partying" (sic)
A spokesperson for Kendall and Kylie has been contacted for further comment.
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