Prince Harry and Meghan Markle were just a handful of celebs who bent the knee for HRH last night -- and no, we don't mean King Charles ... we're talking LeBron James.
The Duke and Duchess of Sussex had box seats Monday at Crypto.com Arena -- having come on down from the Santa Barbara area to catch the big playoff game against the Grizzlies ... which King James and co. secured in down-to-the-wire dramatic fashion.
Their presence came as a surprise to many when the TNT broadcast showed them in their private suite up in the stands -- and they seemed to be enjoying themselves .