>> not sort of allegation you want if you're running for office. we're talking about gis el banned from running for seat after accusations went public to aid mitting to modeling lingerie. >> she's taking her rival to court to get her campaign back on track. rafael romo has more. >> reporter: she's an aspiring mexican politician, an entrepreneur, 33-year-old giselle arellano has become a celebrity almost overnight in her country, but not the way she wanted to. >> you are watching -- >> reporter: right after she launched her campaign for a seat in congress, these pictures began appearing on social media. she says she posed for the lingerie photos as a favor to a friend promoting a party. her rival saw she worked as an escort in las vegas, something she categorically denies. >> translator: there has been a lot of speculation about my past