What a night! Mariah Carey showed off her vocal prowess while performing a medley of some of her biggest hits at the 2019 Billboard Music Awards on May 1. The crowd was loving every second of it, jamming out to her chart-topping singles including “Always Be My Baby,” “Emotions,” “We Belong Together,” and “Hero.” Mariah had the audience on their feet at the MGM Grand Garden Arena in Las Vegas, especially when she hit her impressive whistle tones. No wonder she earned the coveted Icon Award tonight. Watch the video above to see her spellbinding performance!

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