What domain ? Music ? Acting ? Porn (j/k) ? Soma data about the girl : age , looks , target audience , etc. . You can't go around calling yourself Carlita Lopez (not one of the best names , i know) if you're Asian . As for generic names they are usually not something that pays you any favors .
I'm a bit intrigued, what's the stage name for? Are you a talent manager perhaps? And where will the targetted audience be? As what Apox said, you can't have Carlita Lopez if you're Asian and you can't have Xu Min or something like that if you're flat out American.
Listen you want to be a little more generous whit the details . I know you prolly want to protect your identity but the devil is in the details . For example you said acting are you gonna be on the big screen , on tv , on a theater , in a ad or even porn fits the bill . I used to work in a model agency and a lot of the girls used stage names for various contracts but choosing one it's not as simple as it seems . Especially since you got 1 shot at it . Changing your screen name is a very bad idea since it triggers a avalanche of negative effects . So if this are the details you are prepared to offer then it might be a little to difficult to choose a great name (You don't want to end up whit some ridiculous stuff like Jenny Diamond Phillips )
Smarty pants, have you tried a bit of Googling for these names? http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=erica http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=alica Both are commonly used for Girls.
but its a not alicia its a alica yakk. you like this name .? http://www.google.com/search?sourcei...=UTF-8&q=alica
Have you ever thought that he might just typed it wrong? Sheesh. http://www.thinkbabynames.com/meaning/0/Alica I don't see any reason why people wouldn't like Alica regardless if the meaning is true or not. I'm guessing that you have the most beautiful and perfect name in the world? Grow up, you need it, seriously.