To be fair, unless you are Lang Lang, playing the piano comes under the heading of ‘hobby’.
She has grade 3 piano (plus grade 5 theory) so she’s not exactly hugely musically accomplished - more she can play the basics to a reasonable standard rather than orchestra level of performance. The piece she played for Eurovision was pretty simplistic musically but let’s face it with the Norland nanny and the bare minimum of engagements undertaken she does have plenty of time to practice!