Ah, the merry ways of Playboy pinups -- and their rocker boyfriends -- and how their paths always seem to cross in Las Vegas.

Pint-sized powerhouse Carmen Electra hosts at the new Crown Nightclub tomorrow at The Rio across.

The street from The Pearl at the Palms, where former love Dave Navarro will be storming the stage with his Camp Freddy pals.

Married in November 2003, their love life was documented in the MTV reality TV series Till Death Do Us Part.

But they parted in July 2006 before death!Then blonde bombshell and Hugh Hefner favorite Pamela Anderson.

Who has been married and divorced from Motley Crue drummer Tommy Lee, singer Kid Rock and music promoter Rick Salomon -- and dated Tommy in another go round -- celebrates her birthday tomorrow with two parties: at Tao Beach by day and Tao nightclub by night. Pamela, who competed on this past season of ABC’s Dancing With the Stars, turned 43 about a week ago.

Pamela also is celebrating her new TV series scheduled to film in August, which has her set in a Beverly Hills Private Investigator’s Office. Carmen and Pamela are two of the most photographed Playboy centerfolds and cover-girl celebrities.