now signed to epic records, except in the us and some other countries where they were on epic sister label columbia records, wham! returned in 1984 with a new album and an updated pop image. these changes helped to propel wham!'s next single, "wake me up before you go-go", into the top ten of several countries around the world. it became their first us and uk #1 single, accompanied by a video of the duo with pepsi and shirlie, all wearing katharine hamnett t-shirts with the slogans "choose life" and "go go".