Saweetie tapped in for an epic dance-off with the mascot at the Clippers game on Thursday ... droppin' low and shaking it in front of the whole arena -- and TMZ Sports has the vid!!!
The stars flocked to Crypto.com Arena to watch the Lakers get wrecked by the Clips ... with Justin Bieber, Rami Malek, Normani, Israel Adesanya and more getting a front-row seat for the matchup.
But, it was the "Best Friend" rapper who ended up stealing the show during the 4th quarter .