Brandy Norwood had fans confused and concerned after suddenly dipping mid-performance during the Chicago stop of her and Monica's 'The Boy Is Mine' tour - but now, she's speaking out. The R&B icon took to social media to explain what really went down behind the scenes, and sis kept it honest.RELATED: Yikes! Jennifer Lopez's Ex-Hubby Ojani Noa Spills Tea On Alleged Past Cheating After She Says She's "Never Been Loved" (VIDEO)Brandy Clears The Air After Health Scare In ChicagoAccording to Brandy, the abrupt exit wasn't about drama - it was about health.