Since the Transformers movie debuted in 2007 and sky rocketed Megan Fox to fame, we've definitely noticed a few changes in her appearance — i.e. her face has completely changed.

The bombshell actress has never admitted to getting plastic surgery, but we're not fooled. After all, she's only 29-years-old – you can't chalk that up to "natural aging."

RELATED: From Transformers to TMNT – Watch Megan Fox's Face Transform Over Time

megan fox 2007

Megan Fox in 2007.

Click through the gallery to see photos of Megan looking unrecognizable. Do you think she's had work done to her face?