The ENQUIRER exclusively reports former cinema sex siren Raquel Welch is planning to dish the dirt big time in an inflammatory tell-all.

The One Million Years, B.C. cave girl, 67, has inked a memoir deal to blow the lid off her career, hush-hush affairs and failed marriages.

Sources claim the book, Secrets of Timeless Appeal, reveals the intimate details of Welch’s steamy flings with Warren Beatty, Richard Burton, Sean Connery and rocker Alice Cooper as well as a few surprises.

“Raquel will name her best and worst lovers, and will confess which of those men she wished she would have married – and those she wished she wouldn’t have!” divulged a source.

For all the juicy details – pick up The ENQUIRER – on sale now!