United Kingdom, July 3 -- Lindsay Lohan reflected on her "mistakes" and insisted she feels "grateful for every chapter" of her life as she celebrated her 40th birthday.

The Mean Girls star reached the milestone on Thursday (02.07.26) and she marked the big moment by sharing a thoughtful post on Instagram in which she looked back on her past as a former child star and a troubled young actress and declared she's "no longer searching for who I am".

In a post on Instagram, she wrote: "Grateful for every chapter that brought me here. For the lessons, the laughter, the love, the unexpected turns, and the people who've stood beside me through it all.

"This next decade feels different. More grounded. More intentional. More joyful. Here's to fa...