Along with a winking emoji, the Blink-182 drummer commented on the new baby bump photos: "I already know his name."
The photos are part of Pharrell Williams' debut launch as LV's creative director of men’s apparel.
This will be the first baby for the couple, who each have children from previous relationships.
"Beyond blessed and grateful for this baby to be a part of our story," Kramer said via social media.
The rapper confirms he'll be a #GirlDad.
Lohan and the DJ dated off and on during the late 2000s.
"After 24 hours of labor, a total lunar eclipse, and while it was pouring rain… he came," Aiko wrote on Instagram announcing the exciting news.
