Former screwed-up child star Drew Barrymore will reportedly be passing on her genetic predisposition to alcoholism and drug abuse. AKA: she’s knocked up. Says Digital Spy,

Drew Barrymore and Will Kopelman have held a ‘Couple’s Shower’.

The pair, who announced their engagement in January, were said to be celebrating their forthcoming wedding as well as Barrymore’s rumored pregnancy.

The fete was held at the Los Angeles home of Charlie’s Angels producer Leonard Goldberg on Saturday and was attended by the pair’s closest friends and family.

“Everyone was doting on pregnant Drew and asking her how she is feeling,” a source told Us Weekly.

“She is so thrilled to be expecting, and also really excited about the wedding.”

The insider added of Barrymore’s pending motherhood: “Drew will be an amazing mom. She’s seriously the coolest person in the world… Very generous and doting.”

A “cool mom” isn’t necessarily the greatest thing. Demi Moore, anyone?

Pictured in this month’s issue of InStyle UK:

Now that  LeAnn Rimes is newly engaged to Eddie Cibrian just this past Christmas, the rumors are flying that she’s also knocked up. She’s of course denying it. Says Digital Spy,

LeAnn Rimes has denied rumors that she is pregnant with fiancé Eddie Cibrian.

Rimes – who recently announced her engagement to the actor – took to Twitter to shoot down a story originally reported by Hollybaby which said that the singer was expecting her first child.

Rimes wrote: “this is such BS!!!! Lol, you people all report BS (sic).”

The 28-year-old appeared to reinforce her denial by posting details of her indulgent holiday plans shortly after. She added: “Cabo!!!!! Sun, bikinis, friends, food, tequila…celebration!!!! Gonna be the best trip!!”

So it’s just like that time when there were rumors that you were cheating, but you got all huffy and offended and you denied it, and then it turned out to be true and you’re just a pug-nosed liar-dog? Yeah. I thought so.

Walking in Calabasas:

Ohh boy. Can you hear it? It’s the sound of tweens worldwide simultaneously “Squee!”-ing at the same time. It’s fictional romance come to life! Daily News is reporting that Twilight’s Kristen Stewart may be carrying Robert Pattinson’s pasty spawn.

An Australian tabloid is claiming that “Twilight” heartthrob Robert Pattinson has knocked up his onscreen and rumored real-life girlfriend, Kristen Stewart.

An “insider” quoted by Australia’s New Weekly says, “When [Stewart] worked out she was late, she obviously started to thinking that she could be pregnant. And because of the timing, she thinks Rob could be the father.”

The gossip mag also reports she had a friend buy a home pregnancy test for her, and that she is “very nervous about the whole situation.”

The article is accompanied by a photo of Stewart with a tiny round belly protruding from her pants on the set of her upcoming film “The Runaways,” in which she plays rocker Joan Jett.

While the pregnancy story is making the rounds on the Web, reps for Stewart and Pattinson have not confirmed whether there is any truth to the New Weekly’s report.

I’m thinking of writing my own Twilight fan fiction. In it, Bella gets knocked up by Edward because she’s too much of a stoned mouth-breather to make him use a condom, her dad finds out and kicks her out of the house, and she has to drop out of school. Edward starts acting all squirrely because he’s suddenly not sure he really loves Bella all that much, and ignores the notes that she leaves him, even though they’re written in blood. Bella gets all weepy and depressed and spends her days deep-throating Twinkies, gets super fat, pimply, then Edward chokes her and she dies of a broken heart shortly after delivering the surprise twins, which Edward promptly eats. The End.

Displaying the “pooch” and really bad posture during “The Runaways” filming: