'Triumphant (Get 'Em) ' will come out at the beginning of August
Mariah Carey posts Whitney tribute video
Mariah has compiled a video of her favourite memories of the late, great Whitney Houston.
The pair famously collaborated on the Oscar-winning song When You Believe for film The Prince Of Egypt.
'Whitney, my friend, I love you, I miss you,' posted Mariah on her Twitter page.
'Your legend lives on forever.'
Watch the moving tribute below:
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