 Calling the show a " theatrical multimedia spectacular " , Madonna wanted a huge stage with a central platform from which a flight of stairs descended . The central platform was flanked by two lower platforms , which housed the band and the musicians . A large video screen was suspended above the stairs , which descended during the show . Two projectors were situated at the front of the stage , which projected images of The Pope and President Ronald Reagan during the show . Patrick Leonard , who had produced True Blue , joined as the musical director for the shows . Instead of following every note on the records , Leonard encouraged the musicians to come up with new ideas for the songs . Hence a number of the old songs were rearranged , including introducing a medley of " Dress You Up " , " Material Girl " and " Like a Virgin " — which contained a sample from the Four Tops song " I Can 't Help Myself ( Sugar Pie Honey Bunch ) " . American choreographer Shabba Doo was signed to choreograph the show . 13 @-@ year @-@ old Christopher Finch was signed to play the part of the small boy from the " Open Your Heart " video , since Felix Howard , who played the original part , did not get a working license , and hence could not join the tour . Madonna wanted three backup singers , a team of male dancers and a succession of costume changes . She took inputs from her then husband , actor Sean Penn saying , " I really respect Sean 's opinion . He has great taste and is a very brilliant man . When I was putting my tour together , it was always in the back of my mind : ' I wonder what Sean will think of this ? ' He 's extremely opinionated and has really high standards , and that sometimes pushed me into making decisions I wouldn 't have otherwise made . " The title " Who 's That Girl Tour " came to Madonna 's mind during rehearsals one @-@ day when she looked at a gigantic image of herself , projected on a screen on the stage . She commented , 
