Yea man give it a shot, who knows your probly bein over-critical and don't even look bad. I've seen guys that look like they just got out of a car accident with the most beautiful girls and I'm guessin that confidence got them in there, perfect example is little wayne and lauren london lmao but yea man don't ever be scared and just take a leap and go for it, like I said your probly bein to critical of yourself
Your confidence is more important than your looks. If you assert yourself and play the "confident male" you will win over more girls than the attractive guys. Google "cocky funny" to help you with your technique.
I'm not going to even click the link, if she's worth asking the question over, then she's worth the risk of rejection. What's the worst that can happen? At a guess, she says No, you feel bad for 20mins, and then get on with your life.