The "Dog Days Are Over" singer met up with the "Over" rapper on stage at the Hammersmith Apollo to perform "Fireworks," Drake's "Thank Me Later" duet with Alicia Keys .
Video: Drake and Florence Welch Perform "Fireworks"
Welch, clad in a flowing white dress, crooned the sultry track to Drake, who stood just inches away. The performance is the latest addition to reports  that these Best New Artist Grammy nominees are collaborating on a new song together, which would appear on Welch's upcoming album.
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