“#BlackBoyJoy,” the proud mama, 36, captioned the image of his tot swimming in a pool.
In another new photo, the Motivation hitmaker hit the zoo with her boy.
“Today we fed giraffes at Werribee Zoo! Thank you @zoosvictoria for your hospitality. We had an amazing time!!” she wrote.
The singer and her husband Tim Witherspoon welcomed Titan Jewel on Nov. 4, 2014.
In March, Kelly released her new book in March, titled, Whoa, Baby!: A Guide for New Moms Who Feel Overwhelmed and Freaked Out (And Wonder What the #*@& Just Happened).