Bristol Palin

's future mother-in-law,

Sherry L. Johnston

, 42, was arrested by Alaska state troopers in Anchorage on Thursday and charged with six felony drug counts.

Bristol, 18, whose mother,

Sarah Palin

, was the GOP's vice presidential candidate, is expecting a child with Sherry Johnston's 18-year-old son,

Levi Johnston

. (In fact, the baby is due today.) The couple have said they plan to marry in the summer.

Cops say Sherry was arrested after an undercover investigation. They refused to specify the type or amount of drugs involved. She was released on $5,000 bail.

In a statement, Sarah Palin's rep tells the Anchorage Daily News that since "this is not a state government matter," Palin will not comment.

Break-in chez Paris

The L.A. Times reports that a burglar wearing a hooded sweatshirt broke into

Paris Hilton

's L.A. house early yesterday morning and absconded with $2 million worth of jewelry. Luckily for the socialite, she was not at home. Police are investigating.

U2 sets the date

Bono

and his merry men say U2's next record,

No Line on the Horizon

, the band's first album since 2004's

How to Dismantle an Atomic Bomb

, will be released March 3.

Like Peas in a pod

Seems

Josh Duhamel

, 36, and

Fergie

, 33, who got engaged a little more than a year ago, can't take it any longer! People mag says the studly actor and the sexy brainiac Black-Eyed Peas babe will tie the knot Jan. 10.

17 kids + 1 = migraine!

Michelle Duggar

and her husband,

Jim Bob Duggar

, whose large Arkansas family is the subject of the TLC reality show

17 Kids and Counting

, on Thursday welcomed their

18th

,

Jordyn-Grace Makiya Duggar

.

"The ultimate Christmas gift from God," said Jim Bob, adding, "We both would love to have more." Oy!

Three's company

The far less prolific

Angie Harmon

and her hub,

Jason Sehorn

, welcomed their third child on the same day.

Emery Hope Sehorn

joins sisters

Finley

, 5, and

Avery

, 3.

Philly choir on TV

Jeffrey R. Smith

will lead the

Philadelphia Boys Choir & Chorale

in a selection of holiday tunes live on

Good Morning America

on Tuesday, beginning at 7:30 a.m.

This column contains information from Inquirer wire services.

Contact "SideShow" at sideshow@phillynews.com.