'Mom of three': Kim Kardashian flaunts her slim waist after welcoming baby girl via surrogate...as Kris Jenner sends her a pink cake.

She just welcomed a new baby girl via surrogate.
And Kim Kardashian could not help but share her excitement as she posted a flashback snap of herself flaunting her slim waist with the caption '#momofthree'.
The 37-year-old and her husband Kanye West welcomed their third child on Tuesday.

While her own mother Kris Jenner sent a pink cake which Kim documented on her Instagram stories with a caption, 'Thank You Mom'.