Foster, who was last seen on television in the ABC series "Bunheads," will film the pilot for TV Land about a recently single mother in her 40s, who successfully passes off as a 20-something and lands a gig at a hot publishing company.
The series is based on the 2005 Pamela Redmond Satran novel of the same title.
Star is the creator of the hit HBO series "Sex and the City."
As previously reported, Foster will return to Broadway in 2014 in the musical Violet. Read Playbill.com's coverage of the musical here.