Kim and Khloé Kardashian are detailing their hangout with Britney Spears! And no, it wasn't a fake visit this time! Back in November, the two sisters had a sleepover with the pop star and her longtime manager, Cade Hudson, at the SKIMS founder's home in Hidden Hills, California. Kim and Britney have known each other for a while, but this moment was extra special because it was the first time they had hung out publicly in 13 years! Related: Kim Reveals Why Those Meghan Markle & Prince Harry Pics Were Deleted! And it looked like the Womanizer singer had a blast! She showed off several moments f...