When it comes to celebrities and their parenting techniques, it seems like we've heard all there is to hear, but apparently that's not the case. In fact, there's a new report that says former chart topper Christina Aguilera might be one of the biggest helicopter parents in the entertainment world as she apparently doesn't allow her 7-year-old son Max play with other kids - anywhere.

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According to Naughty Gossip on Friday, Aguilera either fears for her son's safety or she simply doesn't trust anyone as she tries to clear out a public playground whenever her son has the urge to play outside.

A source told the site, "She doesn't even let him play in the playground until her security asks other parents to leave ..... Even offering them money to do so!"

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Meanwhile, it looks like Aguilera has something to look forward to as she has one foot back in the door at her old job at The Voice while her replacement Gwen Stefani has one foot out.

And while Aguilera might be happy to have her job back, her co-host Blake Shelton and Stefani herself think otherwise. Both would like to see the "Hollerback Girl" back for another season.

Shelton said during a press conference, "I don't want Gwen to not be on [The Voice]. Why can't we have a fifth coach?"

Stefani herself added, "I'm already so devastated that I only have three more outfits to wear - and that I'm not gonna be around these guys. It's hurting me."

Tags: Christina Aguilera