“My little bodyguard. Come at me for taking 11 years on the album,” the Hungry hitmaker, 42, captioned the image outside the Elvis Duran show.
After the radio show, the mother-son duo walked hand-in-hand leaving Z100 radio station in New York City on Monday (September 25).
Over the weekend, the proud mama posted a photo with her preschooler at the football game in New Jersey.
The Black Eyed Peas frontwoman is promoting her second album, Double Dutchess, which dropped on Friday.
Earlier this month, the You Already Know hitmaker and Transformers star Josh Duhamel, 44, announced their plans for divorce.
“With absolute love and respect we decided to separate as a couple earlier this year,” said the couple in a joint statement. “To give our family the best opportunity to adjust, we wanted to keep this a private matter before sharing it with the public. We are and will always be united in our support of each other and our family.”