03/19/2008 at 08:25 PM EDT
Daddy is taking away the keys to some of Britney Spears
's cars – permanently.
A court granted the singer's father on Monday the power to "sell or dispose of" an undisclosed number of her seven cars, documents show.
Lawyers for Jamie Spears stated that the cost of maintaining the fleet of vehicles was too expensive and that the sale of "a certain of" her cars "will save substantial expense to the conservatorship estate."
Among the singer's cars are two white Mercedes (a SL65 and a CLK350), a white Mini Cooper convertible, and a black Audi.
Also on Monday, a court spokesman clarified that the pop star's $1,500 a week allowance "is not her only source of (personal) income," but did not give further details.
Spears's father and a lawyer will remain in control of her affairs until a July 31 hearing.
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