Rob Reiner was married twice: about 10 years to Penny Marshall and about 36 years to Michele Singer Reiner.

Quick Scoop: The Basics

  • Rob Reiner married actress/director Penny Marshall in 1971 and they divorced in 1981, so that marriage lasted roughly a decade.
  • He later married photographer/producer Michele Singer Reiner in 1989, and they remained married until their deaths in December 2025, a marriage of about 36 years.

So, depending on which marriage someone means when they ask “how long was Rob Reiner married,” the answer is: around 10 years (first marriage) or around 36 years (second marriage).

Mini timeline

  1. 1971–1981: Married to Penny Marshall (about 10 years).
  1. 1989–2025: Married to Michele Singer Reiner (about 36 years).

In many recent forum and news discussions, people highlight his nearly four- decade marriage to Michele Singer as one of Hollywood’s more enduring partnerships, especially in contrast to typical short-lived celebrity relationships.

TL;DR:

  • First marriage: ~10 years.
  • Second marriage: ~36 years, lasting until 2025.

Information gathered from public forums or data available on the internet and portrayed here.