I would go with one of these:
Amelia,
Evelyn and
CharlotteAmelia,
Evelyn and
JosephineAmelia,
Evelyn and
IrisAmelia,
Evelyn and
LydiaAmelia,
Evelyn and
ScarletAmelia,
Evelyn and
Caroline
*
Charlotte being my top choice for style and feel, and
Scarlet being my top choice for liveliness.