2. Of or relating to people of royal rank and their families, collectively.
3. Informally used to describe entertainers whose offspring at least try to follow in their parents' footsteps; some succeed and some don't, but this "royalty" is merely entertainment and they generally bear little political power outside of voicing their own opinions.
Many peasant women cunningly sought flings with the king, establishing a link with royalty through their children... and very well could have kept the royal family healthier by giving them a more diverse genepool.
Liza Minnelli, Janet Jackson, Moon Unit Zappa, Drew Barrymore, and Miley Cyrus are a few members of entertainment royalty.
Gwyneth Paltrow, Jane Fonda. ("Hollywood royalty").