Lopez, 42, will be introducing fresh changes in her popular songs, but insists on retaining their originality, reported Ace Showbiz.
"We plan on doing some special things for the fans. We are actually working on this really good song, a new song right now.
"We are revamping all the numbers so they feel fresh and new. We are doing all new arrangements for the songs but not going too far away from the originals, because people go to see what they love so you don't want to change it too much," she said.
The 'American Idol' judge is getting support for the dance and song from her choreographer boyfriend Casper Smart.
"He is supervising choreographer and we are just working together to make the best show that we can make," she added.
Joined by Iglesias, they will proceed on the tour on July 14 in Montreal and than travel to cities in North America till August.