We’re green with envy!

If these smokin’ hot Hollywood stars don’t get you in the St. Patrick’s Day spirit, then nothing will!  In honor of the annual holiday, RadarOnline.com has photos of 20 sexy stars showing off their bangin’ bods in barely-there green bikinis.

January 2012 NYLON magazine cover girl Dianna Agron was honored with a swanky dinner party at the Writer’s Room in Los Angeles on Wednesday night – and RadarOnline.com has all the photos and details about the Young Hollywood event.

Wearing an elaborately embellished and embroidered Mary Katrantzou cocktail dress with Rodarte for Opening Ceremony booties, the Glee star looked absolutely gorgeous.

PHOTOS: NYLON Magazine & Express Celebrate Glee Cover Girl Dianna Agron

Summer’s unofficially over, but the heat is still on! Just because stars won’t be showing off their hot bodies in bikinis every weekend on the beach, they will still be steaming up the screen, as they return to their hit television shows.

From Gossip Girls to Modern Family babes, RadarOnline.com has photos of the sexiest stars returning to television this fall.

PHOTOS: The Sexiest Stars Returning To TV This Fall

Everyone has been chattering about Blake Lively all summer long, as the bombshell bikini blonde has spent the sizzling season globe-trotting with her big screen beau Leonardo DiCaprio. She, along with her equally sexy costars Leighton Meester and Ed Westwick, is sure to cause even more drama in the fall, when Gossip Girl comes back to The CW.

From the coolest events around and on the streets of the town, stars were dressed in hot and not fashions on Thursday – and RadarOnline.com has all the photos in our daily feature.

Lea Michele was the queen of the red carpet at the Hollywood Foreign Press Association’s 2011 Installation Luncheon. The Glee girl was dressed in totally fem summer fashion, wearing a divine Valentino number with nude Prada peep-toes and carrying a chic Jimmy Choo clutch. Other stars at the Beverly Hills soiree included Taylor Lautner, Mark Wahlberg, Gerard Butler and Elisabeth Moss – who sported matronly a la mode.

It was a sexy day on the Redondo Beach set of 90210, as AnnaLynne McCord, Jessica Stroup, Gillian Zinser and Trevor Donovan stripped down and showed off their hot bodies in sexy swimwear – and RadarOnline.com has all the photos.

PHOTOS: 90210 Stars Strip Down On The Set Into Their Sexy Swimwear

AnnaLynne, who plays queen bee of West Beverly High School on the hit television show, flaunted her fabulous figure in a style-savvy, embellished halter bikini.  The 23-year-old stunner, who has been under blast in the past for having a super-skinny bod, looked noticeably healthier in her incredibly sexy swimsuit.

From the red carpet to the streets, stars were dressed in the best and worst fashions on Thursday—and RadarOnline.com has all the photos in our daily feature. 

PHOTOS: The Best & Worst Fashions Of The Day

Jennifer Aniston headed to Mexico City to promote her Lolavie fragrance and brought her hot body and fabulous sense of fashion with her. The former Friend shimmered in a stunning Valentino Couture one-shoulder dress, which she paired with Tabitha Simmons Dana heels for a flawless finish. 

PHOTOS: Bikini Wars! Sexy Stars Who Have Shared Lovers

Over in NYC, stars flocked to Target’s GO International Designer Collective Launch at the Ace Hotel, bringing eccentric style onto the red carpet. Chloe Sevigny landed herself with the worst look of the day, pairing a leopard print dress with a tuxedo style jacket and finishing the look off with thigh highs and garters. Olivia Munn also missed the mark, wearing heather grey tights with perfectly matching heels, as well as Liv Tyler, who experienced a ‘do don’t. 

PHOTOS: Bikinis!  The Best Legs On The Beach

At the Los Angeles premiere of The Lincoln Lawyer Camila Alves supported her hunky hubby, wearing a gorgeous, one-shoulder Camilla and Marc one-shoulder gown, carrying a KOTUR clutch, while preggers Pink slipped up in a sheer, feather print muumuu dress.

PHOTOS: Bikinis!  The Sexiest Sports Illustrated Swimsuit Edition Models

Kate Bosworth looked divine in Dolce & Gabbana at her Habitual and NYLON Magazine cover party, posing for pics with 90210 star Gillian Zinser, who was dressed in homeless a la mode. 

PHOTOS: The Sexiest Victoria's Secret Models Of All Times In Their Bikinis!

Who else rocked and shocked on the fashion front on Thursday?  Click here to find out.

From the red carpet to the streets, stars were dressed in the best and worst fashions on Thursday -- and RadarOnline.com has all the photos in our daily feature.

PHOTOS: The Best & Worst Fashions Of The Day

Jennifer Aniston headed to Mexico City to promote her Lolavie fragrance and brought her hot body and fabulous sense of fashion with her. The former Friend shimmered in a stunning Valentino Couture one-shoulder dress, which she paired with Tabitha Simmons Dana heels for a flawless finish.