The Wild Things star has two daughters with ex-husband Charlie Sheen and she recently added a baby girl called Eloise to her family after a two-year adoption process.
She will now open up about the experience on TV in a show hosted by country star Martina McBride.
A Home for the Holidays With Martina McBride will also feature an interview with Hollywood actress Heigl, who adopted a baby girl called Naleigh from South Korea, and her sister Meg, who was also adopted from the Asian country.
The TV special will feature performances from stars including Justin Bieber, Mary J. Blige and OneRepublic. It will air in the U.S. on 21 December (11).