Um … it took me awhile to believe the photo agency on this one, but, yes, that’s actually Rose McGowan, sporting an uncharacteristically … uh … librarian look at a cancer benefit luncheon in Bel Air.

Also there: Perrey Reeves and a preggers Angie Harmon, who has somehow managed to have skinnier arms while pregnant than I have ever had in my entire life, including pre-pubescence. How is that possible?

Rose McGowan shows off her girly side at Fendi’s redesigned store opening in LA.

I think she looks cute as all hell. Love the hair, love the dress.

Awesome.

Rose McGowan — who broke up director Robert Rodriguez’s marriage when she met him on the set of Grindhouse – actually went and got engaged to the guy. If she goes through with the marriage, she’ll become stepmom to his five children from the marriage she destroyed.

Page Six Gestapo Sayeth:

PRODUCTION of “Grindhouse,” the much-hyped Quentin Tarantino-Robert Rodriguez movie opening Friday, ground to a halt last year when Rodriguez fell for his leading lady, Rose McGowan, and his wife found out.

Nice! Well, it’s not like Rob and his wife had kids or anything, nothing to tether them to an emotionally vacant relationship. Hmm? What’s that?

Rodriguez and his spouse of 16 years, Elizabeth Avellan, raised five kids and worked together, with Elizabeth serving as his co-producer on “Grindhouse,” “Sin City,” “From Dusk Till Dawn,” “Desperado” and “Spy Kids.”

Oh. Well, I think we all know by this point that this Rose chick is nutty, so I’m sure it will be fun times until she tries to knife you or something. Bad move Roberto.

Rodriguez and Avellan insist that their separation is amicable and that they plan to raise their four boys, Rebel, Rocket, Rogue and Racer, and daughter, Rhiannon, together and continue their partnership in Troublemaker Studios.

Yes, he named all his children RR. And he’s dating a Rose. So if they get married that makes her…

Sorry Elizabeth, you were betrayed by your own initials.

Rose McGowan’s looking a little ragged these days. [popbytes]

Jen Aniston’s rep is just plain tired of lying. He admits his client had a nose job this weekend. [The Superficial]

Singer Brandy was the cause of a disturbing Los Angeles wreck. No, not Moesha. [Bossip]

Look, I tried, but I can’t beat Seth and Mark on this, so I’m just going to steal their headline: ABC Sends Isaiah Washington to Gayhab. [Defamer]

Clearly the most effective way to get your estranged wife to seek help for her drinking problem is to whine about it to Star magazine. Right, K-Fed? [IBBB]

Hugh Hefner takes time out of his busy day to call Kelly Osbourne ugly. [Agent Bedhead]