Mariah Carey and Nick Cannon sued by former nanny who claims she was fired for showing ''too much affection to their twins''

The 44-year-old singer and 34-year-old America's Got Talent host are being sued by one of their former nannies who claims she was underpaid and fired for showing "too much affection" for the former couple's twins Moroccan and Monroe.

According to legal documents, Simonette DeCosta states that she worked for the separated twosome from October 2013 to Jan. 26, 2014. DaCosta says she cared for the twins during the day, on trips around the world and even lived with Carey and Cannon at times. Her job duties included "feeding, bathing and comforting Ms. Carey's and Mr. Cannon's children who were infants and/or toddlers at the time."

DaCosta goes on to allege that she worked "well over 100 hours per week." However, Carey and Cannon did not provide DaCosta with "premium overtime compensation for the hours worked in excess of forty hours" even though she was expected to be "on call every hour of the day" to see to her employers' needs and demands.

DaCosta claims she was eventually fired for "exhibiting too much affection towards their twins."

According to the lawsuit papers, DaCosta is seeking "unpaid overtime wages, premium wages, liquidated damages, reasonable attorneys' fees, costs, pre-judgment interest and all other appropriate legal relief under the law" from Carey and Cannon.