The couple also share two girls, Gio Grace, 5, and Dusty Rose, 7.
The parents-to-be threw a lavish Disney-themed baby shower over the weekend. Get all the details.
The singer said the couple's second child was born on Saturday.
Alison Wonderland has kept her current relationship pretty close to the vest, but she’s just revealed that she and Ti are expecting a child together. “Baby Wonderland on the way,” Alison tweeted just moments ago. In the coming months, she has scheduled appearances at Lollapalooza throughout
Husband John Legend called her "my little Esti."