Amy Winehouse

is trying to dry out - yet again.

The troubled warbler has checked into exclusive London rehab the Priory.

Does she get frequent-flier miles each time she's in?

Better to have loved . . .

Pop-culture children

Justin Bieber

, 17, and

Selena Gomez

, 18, "were spotted embracing in the Pacific Ocean on Thursday during their romantic getaway" in Hawaii, People says.

In the grown-up world, Maria Shriver discussed her disastrous marriage over lunch in Beverly Hills with Bono, 51, says London's Daily Mail in a creepy report that includes a series of photos showing in detail every time the pair had the tiniest physical contact. (Bono is happily married: He and wife Alison, 50, began dating in '75 and wed in '82.)

Ugly Betty's Ana Ortiz and hub Noah Lebenzon are expecting their second baby, they tell Latina.com. "We know it's a boy," Ortiz, 40, says.

Bryce Dallas Howard, 30, who played pregnant in Terminator Salvation, confirms to UsMagazine.com she's pregnant for real. She and hub Seth Gabel, who have a 4-year-old boy, Theo, are expecting their second child.

Hot pretend love . . .

Aussie thesp

Rose Byrne

(

Damages)

confirms that her

X-Men: First Class

character, Dr. Moira MacTaggert, has sex with the young Charles Xavier (

James McAvoy

) - who is paraplegic and sexless as a middle-aged man. McAvoy insisted. "He kept saying, 'He's randy.' We tried to establish that early on," says Byrne.

LiLo's repentance . . .

Lindsay Lohan

, who is entering her first weekend as a prisoner of her own home, this week settled a lawsuit filed by one

Tracie Rice

, who claimed a drunken LiLo chased her car in '07, thus causing her much trauma. The incident ended with LiLo's infamous DUI arrest.

His own 'Deliverance'

Facebook demiurge

Mark Zuckerberg

tells Fortune mag he tries to test himself by setting up "personal challenges." His latest? He will eat "only what he kills."

So is the back of the dude's pickup truck covered with bloodstains? Has he installed an abattoir in his garage to better gut 'n' skin game?

Not exactly. Seems, so far, he's only managed to kill legumes. "I've basically become a vegetarian," he says. "So far, this has been a good experience. I'm eating a lot healthier foods and I've learned a lot about sustainable farming and raising of animals."

Philly-area fun

Katie Cazorla

, famed Tinseltown beauty salon proprietor and star of TV Guide Network's reality series

The Nail Files

, will give the great unwashed the salon experience in her mobile spa from 10 a.m. to 3 p.m. Saturday at Atlantic City Outlets, 1931 Atlantic Avenue in A.C. Katie's show premieres June 21.

Homegrown pop star Christina Perri will play the TLA on South Street on July 29. Info: www.christinaperri.com.

This article contains information from Inquirer wire services and websites. Contact "SideShow" at sideshow@phillynews.com.