Was looking at wiki today; specifically info on the DRATS "Talk of the Town" release.

Live at London's Talk of the Town is a 1968 live album released by Diana Ross & the Supremes on the Motown label, recorded at the Talk of the Town nightclub. This performance marked the first time that new member Cindy Birdsong had performed overseas with original Supremes Diana Ross and Mary Wilson, a year after original founding member Florence Ballard was ousted.

I always thought Cindy's first trip overseas was to Spain, where they recorded this: