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Lindsay Lohan hasn’t had the same career success as her Mean Girls co-star Amanda Seyfried. But maybe these words of advice from Amanda can help Lindsay get it together!

Lindsay Lohan isn’t maturing as well as her Mean Girls co-star Amanda Seyfried is! “I think it’s just growth,” Amanda tells E!Online of Lindsay’s recent antics. “People can fall out of line and fall back into it. I think it just takes some time.”

Hmm … it sounds like Amanda is saying that Lindsay has some growing up to do! “Clearly, people go through things and they deal with them differently,” she adds. ” You’ve just got to be positive about it.”

While Amanda’s career has sky-rocketed since Mean Girls, including roles in hit movies Mama Mia, Dear John, and now Chloe, Lindsay has not had a single good flick since the 2004 Tina Fey-scripted comedy she stared in with Amanda and Rachel McAdams.

Lindsay, we suggest you listen to Amanda’s advice! It’s time to get it together, girl!