Mary Tyler Moore, left, with Rachael Ray and Dick Van Dyke on the “Rachel Ray Show.” (David E. Steele/AP)

“At the recommendation of her neurologist, who has been monitoring this for years, and a neurosurgeon, Mary decided to proceed with this fairly routine procedure,” said a rep for the actress best known for “The Mary Tyler Moore Show.”

The 74-year-old looked as good as ever on today’s “Rachael Ray Show,” which was filmed last week, as she surprised her former “Dick Van Dyke Show” co-star Dick Van Dyke. Moore guest starred on “Hot in Cleveland,” which stars “MTMS” alum Betty White, earlier this year.

Watch a preview of Moore’s reunion with Van Dyke below: