Don't be a grumpy white old man, Rob, she was born late 1998 and very likely heard more Yngwie Malmsteen, Adrian Vandenberg and Bruce Kulick/Tommy Thayer (she's a KISS fan) than Chuck Berry or Scotty Moore in her protected life. She's certainly better on guitar than I will ever be on bass - to this day I can't tap for shit and it's not that I wouldn't want to do it once in a while, I just can't do it physically, period. I'm amazed by people who can even though they all tend to play the same lines.
I welcome anyone her age who puts that much effort into something as old-fashioned as guitar playing. She'll have less hair and more taste in twenty years from now (and swapped her pointy Jackson for something nicely vintage-looking in the meantime), you just wait. Or Alice Cooper will hire her in a few years, he has a penchant for female guitar talent.
My eternal female guitarist crush is still Kelly Johnson from Girlschool, she was a bit Farrah Fawcett with a Les Paul!
I saw her and her girls open for Rush early 80ies and while her and Geddy's singing voice are in a similar range, I found hers more alluring.
Not sure whether Kelly heard more Chuck Berry than Sonia, but likely - with some Mick Ronson, Marc Bolan and Johnny Thunders thrown in for good measure (who all heard a lot of Chuck Berry I'm sure, with Marc concentrating on Eddie Cochran too!).