Waterhouse revealed that she was pregnant back in November.
The rapper is expecting her first child, a daughter she plans to name Kali Rose.
The 'Little Mermaid' star welcomed her first child, a son named Halo, with rapper DDG late last year.
The 20-year-old rapper shared the news through a series of mirror selfies.
"It would be a lie if I was like, ‘Oh, yeah, I don’t give a s---,'" the model said in a recent interview.
The upcoming bundle of joy is Sexyy Red's second child.
Lohan rocked a linen one-shoulder dress in the new Instagram post.
While RiRi is currently pregnant with her second child, the snaps were taken while she was carrying her firstborn son, RZA.
The superstar celebrated her brand's anniversary with some steamy, office-themed snaps.
"No cravings. Tons of nausea," the Fenty founder said on the red carpet.
