Little Mix made their BBC Radio 1 Big Weekend Festival debut this weekend, and the ladies slayed it.

The U.K. 'X Factor' alumni delivered a flawless rendition of 'How You Doin',' and though Missy Elliott wasn't on hand to contribute her rhymes, the audience didn't seem to miss her much. Elliott did appear on a screen that played her feature in the background while the Little gals danced their cute behinds off, though, and it all mixed seamlessly.

Also on hand at the festival? Jessie Ware!

British pop star Katy B performed her track 'Aaliyah,' and it wasn't the first time she sang the song live -- but it was the first time she got help from the 'Wildest Moments' singer. The crowd ate it up, and with good reason -- Ware's sultry, soulful vocals were an intriguing contrast to the bubblegum track.

Watch Katy B + Jessie Ware Perform 'Aaliyah' at the 2013 BBC Radio 1 Big Weekend Festival

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