Kendall Jenner and Kylie Jenner are best friends, but they're also sisters, which means a little competition between the two is inevitable!
The Keeping Up With the Kardashians stars went head to head in a playful game of "Which Sister" with Glamour, revealing everything from which of them is nicer to who was the better cheerleader back in the day...oh, do you think you can guess which sis hardly ever texts the other back?!
Yeah, that'd be Kylie! "The funny part about this is I always text her and she never responds," Kendall, 19, said through giggles.
"Yeah," Kylie, 17, admitted. "I'm not a big texter!"
Of course, that doesn't mean Kylie's not a sweetheart. When asked which sister is nicer, both girls said themselves. "Kylie, stop it," Kendall quipped. "You can be honest!"
Kylie wasn't letting her big sis have this one, though! "You're my biggest bully in life, ever," she joked. Without missing a beat, Kendall replied, "Because you're my sister! But, I'm nicer."
We'll have to consult with the Kardashians on that one. Apparently, though, Kendall is the more forgiving of the two. "She can hold a grudge," she said of Kylie. "Or she gets really awkward!"
One thing both girls did agree on? Kendall eats more junk food! "But I'm better now," she clarified. "I got really good!"
"But I've always been good," said Kylie, who happened to have "a kale salad and an organic juice waiting" for her post-game.
Speaking of games, which sister was the better cheerleader? Well... "You were a backspot," said Kendall.
"What were you?" asked Kendall. "A base?"
"Yeah," said Kylie. "I was main base."
"That means nothing," said Kendall. "You had another person helping you. I was the only backspot."
That doesn't really answer the question! Fortunately, both ladies were happy to bust out one of their old cheer routines, so you can see for yourself. Watch the Glamour video above to see that and so much more from Kylie and Kendall!
Keeping Up With the Kardashians returns with new episodes later this year on E!