Britney Spears seemingly called out ex-boyfriend Justin Timberlake and revealed a surprising detail about their past relationship. “OH I’M SHOOK!!! Psss … I never mentioned how I beat him in basketball 🏀 and he would cry … no disrespect 🤷🏼‍♀️🤷🏼‍♀️🤷🏼‍♀️!!!” Spears, 42, captioned a video via Instagram on Friday, December 15. While Spears didn’t mention…