Foxes says she was "surprised" by the amount of partying Coldplay does on tour.

The singer supported the band in North America recently and it seems it was a rowdy affair at times.

She told the Daily Star: "There were quite a few after parties on tour, which I'm actually surprised about!

"I thought they'd be really strict especially as they toured for like a year, but no, they're actually daring.

"I got involved, why not? I actually missed the tour bus a few times. I ended up stuck in Detroit for a little bit too, but it was all worth it."

Foxes added that she might work with frontman Chris Martin in the future.

She said: "We did talk about doing something together, perhaps on a track for me. We would both really love to as we know we work well together."

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Watch Foxes in action below: