kaley-cuoco-engaged.jpg

But wait -- wasn't she linked to Superman star Henry Cavill during the first week of July? Which was technically a little bit less than three months ago? Hmm...

Kaley Cuoco and tennis star Ryan Sweeting are engaged, her rep has confirmed to Us Weekly. "It's only been three months but she knows Ryan is the one," a source close to the actress dished. "When you know, you know." The source added, "[She's] never felt this way. She knows this is it. And the ring is gorgeous!"

The couple were first seen together in August, and we snapped the above photos of them on September 10. Sweeting proposed yesterday, and Cuoco tweeted, "Flying high, I could literally touch the sky with you..." She added a photo of her mother Ashley and sister Briana on Instagram and wrote, "A sweet celebration w my sweet soul sisters."

Cuoco was previous in a relationship with musician Bret Bollinger; and this would be the first marriage for both.