Kylie Jenner is arguably stepping up as Tyga's now longtime GF and helping him raise his child ... the other scenario -- she's pissing off baby mama Blac Chyna something fierce.
Kylie took 3-year-old King Tuesday to play a round of miniature golf in Sherman Oaks. Tyga also tried his hand on the putting green.
It's unclear how Chyna feels about her one-time mortal enemy, who she hedged last week during a Facebook Live session.
We're on the lookout for her reaction.
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