Rihanna’s personal trainer is looking to give the pop starlet a legal workout. TMZ.com reports that Cindy Percival is suing Rihanna for over $26,000 in unpaid wages. That hefty amount breaks down into a fee of $1,500 a day for personal training sessions that took place over two weeks in September and October of 2009. Percival also wants more than $2,000 in travel expenses for trekking to Europe to train Rihanna there.