Tristan, 28, was photographed hopping into the back of a black SUV following his night on the town. Beforehand, he was also seen chatting to paramedics as they loaded a person into an ambulance outside the venue, but it's unclear if someone he knew was involved in the emergency.
Khloe has allowed Tristan access to their daughter since their split, but True primarily resides with Khloe in Calabasas, while the NBA star is based in Cleveland, Ohio.
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The last time Tristan was seen spending time with Khloe and True was for the little girl's first birthday party in April 2019.
What do you think of Tristan's decision to go clubbing on Father's Day? Sound off in the comments below!