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Jennifer Lopez Debuts a Drastically Different ‘Do — Plus 29 More Stars Who’ve Cut Their Long Hair Short!

What a difference a few inches makes!

Jennifer Lopez, 45, took to Instagram to show off her brand new bob, captioning the fierce pic, "Short hair don't care…"

We're loving the look — are you? Tell us in comments!

Scroll down to see what other stars look like with short and long hair!