Leaving her baby boy Bronx home for the evening, Ashlee Simpson was spotted arriving at the InStyle Magazine Summer Soiree last night (August 20).

The “Pieces of Me” songstress looked lovely as she posed for the paparazzi, sporting a slinky strapless silver minidress with strands of pearls.

And Ashlee was all about schmoozing with the A-list crowd throughout the night, chatting with Katie Cassidy and Ariel Foxman.

She’s always up on the latest fashions, and last night (August 20) Hilary Duff was spotted at the I “Heart” Ronson soiree in New York City.

The “War, Inc.” actress looked stunning as she made her way past the paparazzi, sporting a black short sleeved top with black stretch Capri shorts and a silk scarf.

Miss Duff is just back from a trip to Bogota, Columbia where she distributed 3,000 bags of food as part of her Blessings in a Backpack program.

Out gearing up for their baby-on-the-way, Kourtney Kardashian and Scott Disick went shopping at the Juvenile Shop in Calabasas, California on Thursday afternoon (August 20).

The E! reality star and her babydaddy strolled the local boutique’s racks side-by-side, with Kourtney clad in a loose fitting ensemble draped over her baby bump.

Enjoying her status as one of Hollywood’s hottest ladies, Megan Fox was spotted over at the swanky Four Seasons Hotel in Los Angeles yesterday (August 19).

The “Transformers: Revenge of the Fallen” actress looked like she was trying to go unnoticed as she strolled past the paparazzi, sporting a green hat with a black top, grey cardigan, slim fit jeans, and aviator sunglasses.

Working away at a new episode of her show “90210,” Shenae Grimes was spotted out in Santa Monica yesterday afternoon (August 19).

The CW cutie looked to be in good spirits as she filmed scenes by the pier, waving to shutterbugs and snapping up pictures of paparazzi in between scenes.

In a recent interview, Shenae told press that her character Annie Wilson will be undergoing even more changes in the new season, scheduled to hit airwaves September 8th.

Still plugging away on her latest project, Jennifer Aniston was hard at work on “The Bounty” at Monmouth Park Racetrack in Oceanport, New Jersey on Wednesday (August 19).

Looking her usual cute self, the former “Friends” darling strolled around the set during a break in the day’s action.

In related news, Jen recently chatted with Elle magazine for their September issue, during which time she talked about relationships and breakups.

Showing off her sexy physique, Heidi Montag was busy rehearsing her dance choreography for her new single “Body Language” in Los Angeles on Wednesday (August 19).

The MTV reality vixen is currently preparing for her big performance at the Miss Universe Beauty Pageant in the Bahamas on August 23rd.

In related news, Heidi chatted with Ryan Seacrest on his KIIS-FM radio show, telling that she’s up for another round of Playboy - and this time she’ll show more skin.

Looking lovely as usual, Gwen Stefani joined a group of friends for lunch at BOA Restaurant in West Hollywood earlier today (August 19).

The “No Doubt” singer-songwriter arrived in a see-through white top and dark cropped pants, along with a gift bag from the upscale lingerie store “Agent Provocateur.”

The 39-year-old is fresh from a much needed family vacation in Hawaii - as they just returned to Los Angeles on Sunday.