A camera panned in on Ellie and fellow British singer Ed cuddling as they sat together at the annual awards ceremony, this year held at the Barclays Centre in New York on Sunday night (25 August).
The pair set tongues wagging with a public display of affection, as Ed was seen with his hands placed over Ellie's thigh, and later, the two were captured holding hands.
But Ellie later took to Twitter and appeared to quash any speculation, insisting that they are just friends.
Without directly naming him, she said: "Love that holding hands with my friends means we're an item. In that case I am in many relationships. Lover not a hater. #whatthef*ck."
Ed isn't the only person to be linked to Ellie, as last week, she was reportedly spotted kissing One Direction star Niall Horan at Virgin Media's V Festival.
The 'Anything Could Happen' hitmaker remained coy about the reports, saying: "I just can't talk about Niall. I won't ever talk about my love life any more."
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