Britney Spears admitted to Ryan Seacrest on his radio show this week that it is possible her upcoming Planet Hollywood residency in Las Vegas could last as long as one to two years.

Seacrest asked Spears in a phone interview on On Air with Ryan Seacrest if there was any truth to rumors that her stint in Vegas could extend for as long as two years.

"It's quite possible...nothing confirmed yet," Spears said.

Listen to the interview with Spears here.

The star also told the American Idol host that practicing yoga helps her to cope with her anxiety.

"I love my yoga!" the star told Seacrest.

"I'm doing a lot of yoga right now. It's like my go-to between all anxiety and everything," she added.

On the cover of this month's issue of Shape magazine, Spears showed off her yoga-toned body when she confirmed in an interview with the magazine that she has been physically preparing for her upcoming residency in Las Vegas.

"The [Vegas] performances won't be simple-they'll be a massive party from start to finish," Spears said in Shape.

"And to pull this off, I have to be in top condition and running at full speed," added Spears.

Her new Las Vegas home will be at Planet Hollywood starting in November, according to The Las Vegas Sun.

The full details of Spears' residency, including the show's director, concert dates and ticket sales information have not yet been released. It is not clear if November is the start date of Las Vegas rehearsals or the start of her two-year run of alternating weekends.

Rehearsals and casting for Spears' Vegas events begin late September or early October in Los Angeles. Work on the technical aspects of installing new lighting and sound for her show at the Planet Hollywood Live theater will begin this summer.

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Britney Spears