Jennifer Aniston is turning 43 on Saturday, Feb. 11, and she seems to look better and younger.

The Horrible Bosses star has been famous for her turbulent past in love, but that's a history. With her man Justin Theroux and some career uphills, Jen's looking hotter than ever.

[LiLo's 25 old in this, by the way...]

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The 43-year-old beauty shared the secret to her radiant skin with March 2012 issue of InStyle magazine.
"I'm fascinated by skin, products, and lasers. I go on the Internet and read all about it. I call it 'laser porn,'" said Aniston.

What about her body?

"I work out almost every day, at least five or six days a week," Aniston says. "I do 40 minutes of cardio: spinning, running, the elliptical, or a combination of all three. Then I do Pilates one day a week, and I do yoga in addition to that, three days a week. I try to mix it up."

No compromise here.

"I take eight-pound weights with me whenever I’m staying in a hotel," she continued.
"It’s always good to do arm exercises when you’re watching television or talking on the phone. I also love to stretch before I go to bed, and usually throw in a couple of sit-ups."

Beauty is sacrifice, ladies.

Happy Birthday, Jen!