Standing outdoors the Los Angeles-based observatory, Adele surprised in a black ball robe, full with a dramatic fishtail and puffy sleeves, as she belted out her latest music.Wearing the form-fitting dress, Adele showcased the outcomes of her unimaginable weight reduction, which she credit to a strict exercise regime.She completed the glitzy look with a pair of gold, planet-shaped earrings, which she’d paired with a dramatic smokey eye and darkish nude lip.The star can also be set to don a sensible white swimsuit for her sit-down interview with Oprah.