Kim K goes braless while out with her husband Kanye & their kids

Kim Kardashian's daughter, North, turned 4 yesterday and the reality star, together with her family, celebrated with the cute little one by going to Ruby's restaurant in Los Angeles.

Husband Kanye, son Saint, Kourtney with her kids, Penelope and Mason, and also momager Kris Jenner were all there for the bash. Kim went low key for the outing, wearing a white tank top and grey sweats without bra. See more photos below...