Let's hope Carell got the memo and will continue to be the rare male star who mostly sticks to love interests in their forties (as his new screen paramour Kristen Wiig will be when , he then began screen-dating the much younger women he was seeing in real life, Juliette Lewis and Gwyneth Paltrow, who were both around a decade Pitt's junior.

Researchers in evolutionary biology have taken it for granted that ovulation is of slight significance since humans have deviated from the typical estrus cycle (heat) of mammals, and can be up for sex anytime of the month.

This, however, is just a theory, and a wrong one at that.

Current research says they do, sexually…and these changes may have evolutionary significance in spreading our genes.

Two new studies in the November issue of the journal Evolution and Human Behavior find that women get a little wilder during their most fertile days of the month.

Then again, maybe it shouldn't surprise us that Hanks is an A-list aberration in this group: For 25 years, he's been married to the same woman, actress Rita Wilson …

Leo Tolstoy’s classic story of doomed love is one of the most admired novels in world literature.

To be fair, he's played husband to the three-years-older Susan Sarandon in both …

but in the former, he spends far more screen time with the much younger Jennifer Lopez, and in the latter, he's stepping out on Sarandon with supermodel-turned-actress Laetitia Casta, who's separated in age from Gere by a solid 29 years.

Generations of readers have been enthralled by his magnificent heroine, the unhappily married Anna Karenina, and her tragic affair with dashing Count Vronsky.