Kristin Cavallari's body is changing quickly ... and we're lovin' it!

The former Hills star looked gorgeous and glowing while showing off her baby bump while out with a friend in Hollywood.

The mama-to-be, wearing a snug grey shirt, decorative scarf, white jeans and flip flops couldn't stop smiling. Pregnancy definitely suits her!

Cavallari and fiance Jay Cutler have yet to announce a due date for their little bundle.

It's the perfect outfit for a greeting card shopping spree!

Nicky Hilton stepped out looking fierce in a pair of fabulous grey boots, skintight leather pants, oversized sweater and funky shades as she shopped for stationary in Beverly Hills, on Wednesday afternoon.

The 28-year-old heiress has been enjoying her newly single status since splitting with boyfriend of four years, David Katzenberg, but she doesn't seem anxious to be tied down any time soon.

This is the first time in years that both Nicky and Paris have been single at the same time. Live it up, ladies!

His star is rising!

Justin Theroux showed off his toned physique in a tight grey T-shirt, paired with skinny jeans and a gun necklace -- to match his sexy arms! -- as he left a Hollywood studio with a script for the new Will Ferrell football comedy in hand, on Wednesday afternoon.

The upcoming flick, Three Mississippi, will also star Mark Wahlberg, and was co-written by Friends executive producer Scott Silveri. Coincidence?
The film centers on two neighboring families and their very competitive annual Thanksgiving game of front-lawn tackle football, and will be released in the fall of 2013.

In other news, it's recently been reported that Jennifer Aniston has a bun in the oven, after she was spotted trying to cover her tummy while leaving the Greenwich Hotel in NYC on March 10. She also avoided alcohol during Oscar festivities!

The Horrible Bosses star has been hinting at a possible wedding and baby by the end of the year, and they've already adopted a puppy as a trial run!

Yikes!

Looking extremely tired and in need of a nap, new mom Selma Blair emerged from a nail salon on Wednesday afternoon sporting a puffy face and a very nasty black eye that she desperately tried to conceal with her hair.

The Legally Blonde star has no doubt been losing sleep since nine-month-old son Arthur arrived, and she's also preparing to make her TV comeback as Charlie Sheen's "best friend with benefits" in an upcoming series. The show is set to begin filming later this month, and will premiere in June.

Get some rest, Selma!

Flawless fashionista Kate Bosworth channeled the laid-back LA lifestyle in a pair of skinny jeans, matching denim top and brown ankle boots as she made her may to a meeting at the Screen Actor's Guild building, on Wednesday.

Although the Blue Crush star does use a celebrity stylist to help get her red carpet ready, it's her everyday style that has captured the attention of her A-list peers.

Rosie Huntington Whiteley recently revealed to The Hollywood Reporter that she actually hired Bosworth's stylist to try and achieve her unique look. "I was looking for a stylist to help with my Transformers press tour last summer, and I asked my publicist, ‘Who styles Kate Bosworth?’ because I’ve always admired her style.”

Imitation is the sincerest form of flattery, after all!

Now that Halle Berry and Olivier Martinez have confirmed their engagement, the Oscar-winning actress has no reason to hide her gorgeous rock any longer!

The 45-year-old is sporting a beautiful, one-of-a-kind emerald bauble that the French actor had customed designed for his lady. The sparker, designed by Robert Mazlo, is said to contain codes and symbols that represent the couple's story and that only they can see. Aww, how unique and thoughtful of Mr. Martinez!

The studly soon-to-be groom must be head over heels... this will be the first time down the aisle for the 45-year-old Dark Tide star. He previously dated Australian singer Kylie Minogue for over four years.

I guess it's true what they say... when you find The One, you just know!

Nicole Richie is in for a surprise when she gets back from NYC!

Joel Madden was snapped leaving the Andy Lecompte salon yesterday with a brand new 'do ... and we're not sure how we feel about it, but at least he color coordinated with a pink tee! And hey, we're getting a good view of his tattoos, so no complaints here!

Nicole's new show premiered last night, and Joel tweeted, "Fashion Star was great tonight. I'm very proud of Nicole. She looked hot. :)" Awww, what a sweetie!

...but we all know that underneath the baggy sweater and boyfriend jeans lies an exquisite size 2 physique!

Jennifer Love Hewitt was snapped on the set of her latest project, The Client List, and based on what she was wearing, it doesn't appear as though she was ready to film a sex scene. J. Love plays a mom who ends up taking her job as a masseuse in a whole different direction when she begins offering sexual services to her customers, and the 33-year-old actress has received some bad press for her new gig.

Jennifer said of the criticism, "I feel badly that they feel offended, but I respect that people need to say what they need to say. I tried to make a joke on Twitter that I wondered why people were not writing to Dexter about killing people, or to Nurse Jackie about taking drugs on the job. Those are big, big television characters audiences love and adore so if there can be a serial killer we all like, I feel like a happy-endings specialist is the least of our worries." She's got a point!

Click after the jump to see one of J. Love's sexy promo shots for the new show...