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This isn't our favorite ensemble!

Kourtney Kardashian is back from bearing witness to Kim and Kanye getting engaged in San Francisco, and that means she can return to her normal schedule of running her various businesses and juggling her two children.

The reality star toted her little princess Penelope to a friend's house in L.A. today, and we have to wonder why daddy Scott Disick never seems to be the parent that's on duty?!

Kourt is soon-to-be the only unmarried K sister!