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.
"Thank you for gifting me with the most special experience already so far and with the most important role I will ever play in my entire life," the singer wrote.
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
The pop star detailed plans for a follow up to Anti and posed alongside boyfriend A$AP Rocky and their nine-month-old son for a stunning family photo shoot.
Here are photos of some of the biggest performances by pregnant musicians, from Beyoncé and Rihanna to P!nk and Jennifer Lopez.
The star took to Instagram to share the announcement to the tune of her song, "Sunflower."
