Audra McDonald is going to be a mom — again!

The 45-year-old actress — who previously portrayed Dr. Naomi Bennett on the hit ABC show Private Practice from 2007 until 2013 — has revealed she is pregnant with her second baby.

audra mcdonald getty images

Audra and Will in January 2012.

“Who knew that tap dancing during perimenopause could lead to pregnancy? [My husband, Will Swenson], and I are completely surprised but elated to be expecting,” Audra wrote on Twitter on Tuesday, May 10.

RELATED: IT’S A GIRL! Grey’s Anatomy Star Jessica Capshaw Welcomes Baby No. 4 — Find Out Her Daughter’s Cute Name!

Audra and Will, 42, married in October 2012. Six-time Tony Award-winner Audra is already a mom to a 15-year-old daughter, Zoe, with ex-husband Peter Donovan. Will also has two sons, Bridger, 15, and Sawyer, 12, with ex-wife Amy Westerby.