Martin Vink is a friend of mine and has an impressive collection of Luv' items. He knows a lot about the history of the group. He posted an interesting message about the ladies and Prince Friso (who passed away recently) on the forum of Luv's official fansite. In February 1990, Luv' (whose line-up consisted of Marga Scheide, Diana van Berlo and Michelle Gold) performed at a student hall of residence in Leiden, NL. Prince Friso attended the show. The three singers were enthusiastic about the presence of a member of the Royal family.
Prince Johan of Orange-Nassau in 1990
Luv' in 1989/1990: Diana van Berlo, Marga Scheide and Michelle Gold
Source: Luv' Official Fansite (forum)