If so, then I will have to assume it's possibly a UK People magazine issue due to the spelling of "practise". We use practice as a verb and noun in America, whereas elsewhere, practice is a noun and practise is a verb.
*Yawns* She's forever a DERIVATIVE of Britney. "The Anti-Britney" as she was so colorfully referred to at the start of her career. Just ANOTHER little act that Britney impacted in some form.