Christina Aguilera and Gwen Stefani

As Christina Aguilera goes on hiatus from her coaching post on the NBC hit The Voice — she’s on maternity leave after giving birth last month to Summer Rain, her first baby with fiancé Matthew Rutler — insiders say the pop star, 33, is having a hard time trying to relax.

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“Christina is extremely threatened by [her temporary replacement] Gwen [Stefani],” says an insider. She knows that if the ratings are higher on Gwen’s season than they were on hers, the producers may have no choice but to ask Gwen to stay on.”

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“Christina’s in a world of paranoia right now,” says 
a source. She’s also worried about Taylor Swift coming on as an advisor. “She’s ready to fight for her spot,” says the source.

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Do you think Christina has anything to worry about? Are you excited to see Gwen on the show? Tell us in the comments below or on Twitter @OKMagazine

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