Jessica AlbaJessica AlbaWho'd have thought Jessica Alba would frighten the bejeebers out of someone?

Especially when she just needed to get close to the person in question...

Apparently she scared one chap to the bone.

Yet it was just because he had a chronic case of the nervous willies.

Hayden Christensen was wracked with nerves filming an intimate sexy love scene with Jess in their new flick, Awake.

But why,  we hear you cry - many a bloke would give their back teeth to be in a clinch with Jess.

The answer is simple.

Hay was so overcome by this lady's pretty chops and hot bod that he turned into a gibbering mess.

Hayden said: "I was just so nervous. Really nervous.

Hayden ChristensenHayden Christensen"Running around with a lightsaber is really pretend, but when you are put in a situation where the scene you are doing become so real, it is terrifying."

We'd rather you keep what you do with your lightsaber to yourself, Hayden.