Washington D.C., Jan. 16 -- Looks like actor Chris Pratt and author Katherine Schwarzenegger are all set to take their relationship to the next level.

The duo, who announced their engagement two days ago, "already has some inklings about what they want their wedding to be like," a source told E! News.

According to the source, Katherine and Chris prefer a summer wedding and are looking for a suitable date.

"They are thinking about Martha's Vineyard which is a special place for Katherine and where she spent a lot of time growing up. Chris wants her to have her perfect day and whatever she wants. It will be a big wedding and very traditional," the source added.

The portal also revealed that an engagement party and bridal shower for Katheri...