Amidst pregnancy rumors, Kaley Cuoco took to Twitter to let people know that she is not expecting a baby with fiancé Ryan Sweeting.

"I would like to make something very clear to anyone who cares. I AM NOT EFFING PREGNANT," she tweeted. "Do with that what you will."

Kaley Cuoco's Hot Red Carpet Photos & More

The speculation probably stemmed from her quick engagement to the professional tennis player. The two were dating for three months before he popped the question in September with a 2.5-carat diamond ring. But, for the Big Bang Theory star it was love at first.

More Celebrities Who Got Engaged in 2013

"From day one I just knew immediately and it's been magic," she told Entertainment Tonight in September. "We have all the same family friends. We grew up with the same people, we just never met. So I kind of feel that I've known him my whole life. I know that it seems a little crazy on paper, but it's what works for us."

The two even had a surprise "wedding" on The Ellen DeGeneres show earlier in November, at the request of DeGeneres.

Scroll through our gallery to see photos of the happy couple.