Whether it is their hairstyle, makeup, or fashion choices, celebrities love to switch up their look. Some take it a step further and go under the knife, hoping to get the best possible outcome and appearance.

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Sometimes, the new looks are hardly recognizable while other times, it’s almost impossible not to wonder what exactly changed. Though we can’t confirm which celebrity had a little help from the doctor and which star did it with some good ol’ fashion styling, we do know these five young celebrities’ looks have changed quite a bit over the years.

Ashley Tisdale

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The “High School Musical” actress has grown up and moved away from her young girl style. So long to pom poms and hello to bright color hair and makeup.

Bristol Palin

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Since being introduced during the 2008 Presidential election, Bristol has gone through quite the Hollywood transformation. We aren’t in Alaska anymore!

Heidi Montag

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After having ten surgeries in one day, Heidi’s look drastically changed for good. When asked in an interview if she would do more, “The Hills” star admitted she, “wouldn’t do it again.”

JWoww

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JWoww has come a long way since arriving at the “Jersey Shore.” When asked about her rumored face work, JWoww told Wendy Williams she had nothing done. All the changes were because of her 15-pound weight loss.

Lindsay Lohan

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