Jul 09, 2016 at 6:00 pm

Kim Kardashian Shares Adorable Video of North & Penelope Being BFFs

Kim Kardashian shows off her curves in a tight black dress while getting out of her car on Saturday morning (July 8) in Brentwood, Calif.

The 35-year-old reality star was joined by her husband Kanye West as well as their three-year-old daughter North (not pictured), who they were dropping off at a play date.

PHOTOS: Check out the latest pics of Kim Kardashian

The day before, Kim celebrated her niece Penelope‘s fourth birthday by sharing an adorable video of her playing with North.

“Whatever secret language u girls speak, the way you girls protect each other & love each other is so special. Penelope, North is so lucky to have a best friend like you! Happy Birthday my sweet P. I love you to the moon and back!” she wrote.