Britney Spears Opens Up About 'Pretty Girls' with Iggy Azalea, Spraining Ankle in Vegas

As for "Pretty Girls," Spears admitted that she wanted to work with Azalea because she was a big fan of her music, and when her manager reached out to Azalea's people, she discovered the love was mutual. The rest, as they say, is history.

"I love her work and I had an idea to do like a really girl power, fun Valley girl video," Spears said. "So you know, we got a great song that totally made sense to do that and we just worked it out."

"Pretty Girls" isn't the only thing Spears has in the works - the 33-year-old mother of two is also in the midst of her residency at Planet Hollywood in Las Vegas, where she recently sprained her ankle during a performance of "(You Drive Me) Crazy."

"I wasn't even doing anything hard," Spears revealed. "I was just jumping up and down. It was the first time that I've ever done that onstage, so it was really embarrassing."

The incident forced Spears to cancel two shows. She's next due to perform on Wednesday, May 6, and said she's healing well.

"It's better now. I'm wearing a boot," she said "[It's] sprained really bad. It's bruised up - I tore my ligament. It's very painful."

Spears, who has performed 88 shows in Vegas and expects to do "100 more" before her residency is up, revealed that Piece of Me won't always be the exact same show.

"We're going to change up the show and make things more fresh and interesting going forward."

Listen to Spears' whole interview here, where she also talks about life with her sons and doing math homework.

Tags

Britney Spears, Iggy Azalea