Now that Sami Sheen is on OnlyFans, her mother has decided to join the adult-only site, too. Denise Richards is charging $25 a month for access to her exclusive content, which is more than the $19.99 her 18-year-old daughter’s charging. Meanwhile, Charlie Sheen’s rep said of Denise’s decision, “Go get 'em, Denise. xox C.”