With the Academy Awards just a few days away, Hollywood is literally brimming over with massive pre-Oscar Buzz.

And last night (March 3) there were plenty of stars out at the Chateau Marmont for their swanky pre-Oscar shindig.

“P.S. I Love You” hunk Gerard Butler was in the house, sporting a black three-piece suit as he emerged from his chauffeured car.

Also in attendance were “Heroes” hottie Hayden Panettiere and “Modern Family” mama Sofia Vergara, both looking lovely as they waded through fans and media at the fancy evening soiree.

Stepping out for an exciting evening, Hayden Panettiere was spotted at Step-and-Repeat, presented by Elijah Blue and Kantor Gallery in Los Angeles last night (February 24).

The “Heroes” hottie looked lovely as she strolled past some shutterbugs, sporting a grey cardigan/scarf combo with distressed jeans and black heels.

In related news, Hayden revealed that she loves swimming in the ocean as a means of staying in good physical shape.

Making the most of their front row seats, Ed Westwick and Hayden Panettiere were spotted at the Tommy Hilfiger Fall 2010 runway show in New York City last night (February 18).

With Rosario Dawson also on-hand, the “Gossip Girl” stud and the “Heroes” babe looked to be having a marvelous time as the checked out the latest looks from the uber-popular American designer.

In related news, it sounds like Miss Panettiere is trading in her on-camera charm for some time behind the scenes.

Following the popular Hollywood trend, Hayden Panettiere has reportedly undergone breast augmentation surgery recently.

According to a report, the “Heroes” hottie has been wanting a bigger bustline for awhile now, and she finally went under the knife over the holidays to make it happen.

An inside source told press, “Hayden went from an A to a C cup, and she couldn’t be happier. She’s wanted bigger boobs since she was 17, but the time and scheduling were just never right. She finally decided to do it right after the holidays.

She’s no stranger to the world of swanky premieres, and last night (January 26) Hayden Panettiere was spotted at the HBO event for “Temple Grandin” in New York City.

The “I Love You Beth Cooper” babe looked lovely as she arrived, sporting her new darker locks along with a wispy off-the-shoulder dress with beige heels.

“Temple Grandin” is a biopic of Temple Grandin, an autistic woman who has become one of top scientists in humane livestock handling.

Ending a nearly month long romantic romp, Hayden Panettiere was spotted being dropped off at Miami International Airport by boxing beau Wladimir Klitschko on Wednesday (January 20).

Sporting a crimson-colored hairdo, the “Heroes” hottie hopped out of her new man’s ride, giving a smile and wave to paparazzi before heading into the departures terminal.

According to insiders, Miss Panettiere had extended her stay in Miami two times in order to spend more time with Wladimir in the southern Florida hotspot.

Bundled up for a chilly weather, Hayden Panettiere was spotted getting a java boost at Urth Caffe on Melrose Ave in West Hollywood on Saturday (December 5).

The “Heroes” hottie sported a thick brown jacket matched with jeans and UGG boots, offering up a smile to paparazzi as she continued about with what was a relaxing weekend.

Currently on break, as her hit NBC show “Heroes” is on hiatus during the holiday season, Miss Panettiere is also working on her executive producer duties for a new medical drama called HMS.

Continuing to do what she can for the good of whales, Hayden Panettiere hosted The Whaleman Foundation Benefit in Hollywood on Sunday evening (November 15).

Held at Beso Restaurant, the “Heroes” hottie happily posed for pictures as she tried to raise money to help protect the whale species from being illegally hunted and slaughtered.

In related news, Miss Panettiere is stepping behind the camera to co-executive produce a new medical drama from The CW called “HMS”.