Ariana Grande served a Sunday surprise on social media: a lovely live rendition of "My Everything" coordinated with co-writer/producer Tommy Brown."tommy n i sending u some virtual love," she captioned the video, which featured her vocal clip paired next to a separate one of Brown on piano -- social-distancing style."hope you’re all staying safe, sane, healthy and as creative as possible," Grande wrote to her followers, referring to the coronavirus pandemic that has most people staying at