The New York Post's Page Six reported Sunday that the Food Network star, 50, had cheated on his wife Stephanie March, 40, with his assistant, 28. The allegation came 10 days after Flay and the Law & Order: SVU star separated and nine days after Flay filed for divorce. March's lawyers have challenged the couple's prenuptial agreement, under which Flay is to pay her $5,000 a month. The former couple has been married for 10 years and they have no children together.
Tirrell worked at Flay's restaurant, Bar Americain, before becoming his assistant.