If most of your guests are local or if the kitty party is an easy family get-together, the invitations can be super-simple. Try electronic invites through Evite or Facebook. You can create an event and invite people without sending out paper invitations (for free). You can cut the cardstock into the shape of photo frame and decorate its boundaries with colors and flowers and paste the picture of guests on the frame invitation card. Write the invitation details with the following wordings.
Frames are for memories
and friendship is for life.
join us for Frame theme
kitty party at Royal Club on
26th april.