Rihanna Countersues Ex-trainer

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May 26, 2010 | 11:10am EST

Rihanna is countersuing a former personal trainer who took legal action against her for allegedly failing to settle a bill worth more than $26,000 .
Fitness expert Cindy Percival filed suit in February accusing the Umbrella hitmaker of owing her $26,144 in unpaid fees and travel expenses.
But Rihanna is now preparing for a courtroom showdown after filing her own lawsuit against Percival in Los Angeles County Superior Court, reports TMZ.com.
The singer claims she gave Percival an up-front fee of more than $24,000 for her services – but was never given back the balance after firing the employee last year.