Lisa Rinna dangerous “Bikini” curves for her sex advice book

They say that red is the colour of passion.

And Days Of Our Lives star Lisa Rinna aptly slipped into a scarlet bikini to promote her new sex advice book today.

The self-appointed love guru defied her 48 years in the two-piece, which flaunted plenty of her ample curves.

Racy: The actress has recently released a sex book

Hot body: Lisa Rinna slipped into a scarlet two-piece swimsuit to promote her sex advice book (Read more and See more pictures)