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Leighton Meester Files Lawsuit Against Her Mother

7/23/2011 12:00pm EDT

Leighton Meester is suing her mother over allegations she misused a monthly allowance the Gossip Girl star set aside for her little brother.

The actress sends Constance Meester $7,500 every month to look after younger sibling Lex, who suffers from severe medical issues.

But according to a lawsuit obtained by, Leighton claims her mom used the money for cosmetic surgery, Botox injections and hair extensions.

Constance is also accused of trying to wring more money from the 25 year old by declaring they had an oral contract which required Leighton to pay her $10,000 every month for life.

Leighton is asking a judge to declare that no such agreement exists.


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