The Kardashians go all-out for everything—they're probably getting lasered while wearing Balmain as you read this—and for Kim Kardashian, Mother's Day was apparently no exception. But the rest of the Kardashian children teamed up to surprise family matriarch Kris Jenner in a surprisingly low-key way: matching T-shirts.
Like the band, KISS. Get it? Because Kourtney probably spent like 40 minutes explaining it to the rest of them.