Abby Lee Miller is accused of hiding more than $755,000

Abby Lee Miller is maintaining her innocence.

The Dance Moms star pleaded not guilty to bankruptcy fraud at an arraignment Monday, according to Deadline Hollywood.

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Miller, 50, appeared in federal court in Pittsburgh and posted a $10,000 bond, the site reports. She faces five years in prison and a fine of $250,000 for each count she’s convicted of, according to local news station WTAE.

When asked for comment outside the courthouse, Miller smiled and plugged her Lifetime reality series.

“I didn’t have my hair done,” she told reporters. “Season 6 jackets are on sale on the website Wednesday.”

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A federal grand jury indicted the competitive dance instructor on 20 counts of fraud Oct. 14, accusing her of hiding more than $755,000 made from her show – despite filing for bankruptcy in 2010.

Her lawyer Robert Ridge told PEOPLE she only filed the petition to “save her dance studio.”

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