The So You Think You Can Dance judge also showed off the tattoos she has dedicated to her future kids.
The Silk Sonic drummer/singer will appear on Monday's (Dec. 4) new episode of the Nickelodeon kids' show.
The animated Apple TV+ preschool series is based on the 2011 book series by David Ezra Stein.
The musical sequel will hit theaters on January 28 and 29.