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Christina Aguilera has put her feud with Britney Spears behind her.

The 'Ain't No Other Man' singer and Britney have been locked in an alleged feud for years since the pair both shot to fame.

Despite their history, Christina insists she has now grown up and moved on.

She said: "A lot of people compared us because we were the same age out there in the same market but that's all moving on now.

"What she does is nobody's business but her own. And the same goes for me."

The pair first fell out in 2003, after Christina reportedly got up close and personal with Britney's ex Justin Timberlake at the Brit Awards.

The two pop beauties them embarked on a bitter war of words, with Christina famously branding her rival's wedding to Kevin Federline "cheap" and claiming the star had "let herself go" while she was pregnant.

Britney, who refused to invite the blonde beauty to her and Kevin's nuptials, hit back by branding the pop beauty a "dark" person.