Brittany Renner and Alisah Chanel had a whole shade-off on Monday (March 30) night. It started in The Shade Room's comment section and escalated to Instagram Stories. Even PJ Washington hopped on the 'gram with his two cents and a photo. And spoiler alert? The Mavs player is standing by his wife, who threw out all kinds of allegations against Renner, from pregnancy to letting her mama get a "black eye.