Although unfortunately, getting your hands on them is basically impossible (unless you're Kylie Jenner and your own brother leaks it online...)
Well, now, Kendall and Kylie have made it easy for you, releasing their numbers on their very new Kendall + Kylie collection.
P.S. Make sure you add in the '00111' area code before dialling out.
"Hi, this is Kendall. Sorry I can’t get to the phone right now but I hope you have a lovely day and give me a call back whenever you want to hear my voice."
This was a little more interesting, 'coz Kylie tricked us by answering "Hello?" for a few seconds, before jumping into her spiel of "Hey, it’s Kylie Jenner. Have a great day, thanks for calling!"
Well, that was anti-climatic. Not to mention the sad "this mailbox cannot record messages- goodbye" you get before hanging up.
And if you're just genuinely interested in their new clothes, then here are some standouts from the collection: