my son will be 11 in September i plan on throwing him a party ... would i be wrong for not inviting…

my son will be 11 in September i plan on throwing him a party ... would i be wrong for not inviting his great aunty on his dad side ? im friends with her on fb and have been for yrs now but she never ever says anything like hey how my nephew doing or can we come visit or can he come nothing the only time she says anything is when she sees me post about a party then she'll ask for a invite but its not like she says o i wanna come see him she says make sure u invite me cuz u always have good cake ????