Christina Aguilera has revealed that she is collaborating with Pharrell Williams on her next album.

The singer is currently working on the follow-up to her 2012 effort 'Lotus'.

Speaking to Extra TV, the US star said that she has met up with Williams with a view to working with him.

Aguilera said: "During my pregnancy, I had a meeting with him and just connected on where I want to take the next album, and we started talking music, and he has one song in particular that I love."

Talking about the album in general, the singer added:

"I've been gathering and writing and coming up with these amazing ideas for different parts of how I was feeling during the past year, so I'm really excited to vocalise all of it and make it all come together.

"Hopefully, [there will be] more duets and discovering new talent. It's exciting, I just love the creative process."

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Watch Christina Aguilera being interviewed below: