Abby Lee Miller

Abigale "Abby" Lee Miller (born September 21, 1965) is an American dance instructor, television personality and choreographer. She was born in Pittsburgh, Pennsylvania. Miller is the director and owner of Reign Dance Productions. She was also the founder of the Abby Lee Dance Company and appeared on the reality television series "Dance Moms" for seven seasons. 
In December 2010, Miller filed for bankruptcy and owed more than $400,000 in taxes. In June 2016, she pleaded guilty to felony bankruptcy fraud and was sentenced in May 2017 to one year and a day in federal prison.
In April 2018, she was diagnosed with lymphoma, a type of cancer.