Kaley Cuoco reveals one of her teenage secret's in the May issue of Cosmopolitan.
In the mag, the 28-year-old Big Bang Theory star admitted to getting breast implants in 2004, when she was 18 years old and said it was "the best decision I ever made."
Well that was probably 10 years ago. We're sure the next biggest decision she's ever made was marrying her beau, Ryan Sweeting, on Dec. 31, six months after meeting.
Now that Kaley's secret is out, let's take a look at other celebrities who have admitted to getting a boob job done in the past.
Check it out!