Lohan revealed that she's pregnant with her first child back in March.
Lohan rocked a linen one-shoulder dress in the new Instagram post.
The duo co-starred in 2003's Freaky Friday.
"So grateful for all of the wonderful people in my life," Lohan captioned her sweet photos.
The star revealed in March that she's expecting her first child.
Lohan and the DJ dated off and on during the late 2000s.
Happy Mean Girls Day! Celebrate October 3rd by streaming the cult classic comedy starring Lindsay Lohan, Rachel McAdams, Lacey Chabert and Amanda Seyfried.
