On any given night (or day) celebrity row at a Los Angeles Lakers game is always a "who's who" of A-list stars. Well, guess who joined the party on Christmas Day? Ex-lovers turned friends, Chris Brown and Rihanna were in attendance at Staples Center to watch the hometown Lakers take on the New York Knicks.

While the game was a thriller (the Lakers pulled out a 100-94 victory with a fourth-quarter rally), Brown and Rih Rih stirred quite a buzz in the arena as they sat courtside to the right of the Lakers bench. Ever weary of the paparazzi, the couple arrived at the Staples Center in the same car but entered the arena separately. Once inside, though, they looked relaxed and comfortable during the nationally televised game.

Though Rih Rih and Brown have yet to officially state that they are an item again, catching the couple out on high-profile dates is becoming the norm. In October they attended a Jay-Z concert at Brooklyn's Barclays Center. Last month they went club hopping in Europe and spent Thanksgiving together in Berlin.

Of course, whenever the stars are seen together it begs the question: what's up with Karrueche Tran? Though Brown broke up with Tran in September, he's been seen splitting time between his two rivaling exes. Tran stirred some buzz on social media Christmas morning when she posted a picture of herself wearing nothing but a Chris Brown-inspired Bathing Ape T-shirt. The suggestive photo was seen as yet another shot fired in her war with Rihanna.

Well, if Rih Rih's response was attending the Lakers game with Brown, this pic she posted on Instagram was the knockout punch.

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(Photo: REUTERS /DANNY MOLOSHOK /LANDOV)