Happy 26th Birthday, Lauren Conrad! See Photos of ‘The Hills’ Star Through the Years (PHOTOS)

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Once Kristin Cavallari announced that she is pregnant with her first child, pretty much everyone from The Hills generation suddenly realized that they are all getting a little older.

Want more proof? Well, today, Lauren Conrad, the star of The Hills, turns the big 2-6!

Though it’s hard to believe it, Laguna Beach premiered about seven years ago. And in those seven years, we’ve seen Lauren grow from a flirty teenager to a bestselling author, budding fashion designer and bonafide A-list star.

To celebrate Lauren’s big day, we’re taking a look back at her evolution, from the early days through 2012. Check it out in our gallery now!