It's in C# so based on the lady singing it I'd mostly play the following chords:
C#major, Bb/Abmajor, Ebminor7, Ab/F#major, F#major, Fminor7, Bb/Abmajor, Ebminor7, Ab/F#major, F#major.....and keep pattern going until the end (end with C#major). That may work.
Hope that helps!