Vanessa Bryantand her daughter, Natalia, spent their Tuesday night getting new tattoos to honor Kobe and Gianna ... with the help of one of the best ink artists in the biz.
It appears Nikko Hurtado made a house call for his VIP clients -- and hooked the Bryants up with some pretty cool body art.
Vanessa -- who already has several pieces from Nikko -- added the word "Mambacita" to her forearm ... a tribute to Gianna, who earned the nickname through her obvious basketball talents that reminded people of her dad!
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18-year-old Natalia -- who just recently signed a deal with IMG Models -- got two tattoos during the session.
The first, located on her finger, says the word, "Muse" -- which happens to be the name of Kobe's documentary he released back in 2015.