United Kingdom, May 10 -- Holly Madison has described the group sex routines inside Hugh Hefner's Playboy Mansion as "disgusting" and "a really weird scene".

Reopening discussion about life behind the gates of one of America's most notorious celebrity homes, the former Girls Next Door star, 46, made the comments during an appearance on Kristin Cavallari's podcast Let's Be Honest, where she detailed the atmosphere surrounding late pornographer Hugh's relationships with multiple girlfriends during the height of the Playboy empire.

Holly, who became internationally famous through the hit E! reality series alongside Bridget Marquardt and Kendra Wilkinson, said encounters involving several women were uncomfortable and transactional.

The ren...