Happy birthday, Lindsay Lohan! The actress and musician officially turned 40 on July 2, capping off another decade in a life and career that has spanned years, several iconic highs, and highly-publicized lows. Through it all, though, Lindsay is coming out the other side more galvanized than ever to take on 40 for all it's worth, saying on Instagram in a birthday post: "This next decade feels different. More grounded. More intentional.