1 of 17 Charles Eshelman/FilmMagic.com
Rihanna hits the right notes of elegant and edgy in a bright silk number and fall's ubiquitous booties. The singer stepped out at the Tattoo Heart Collection cocktail party to benefit UNICEF.
2 of 17 Charles Eshelman/FilmMagic.com
Gossip mom Kelly Rutherford mixes a mod cut and bohemian print for UNICEF's benefit reception. Her 'do could've been a bit looser, but the actress looked lovely nonetheless.
3 of 17 Wendell Teodoro/WireImage.com
Hugh Jackman (aka Wolverine, aka People's Sexiest Man Alive) and Nicole Kidman share the spotlight at the world premiere of Australia in Sydney. The Aussie natives star in Baz Luhrmann's latest film, which Variety says is a "luxurious bumpy ride." As far as we're concerned, the Strictly Ballroom director dances his way to awesomeness with every film.
4 of 17 Steve Granitz/WireImage.com
Transformers vixen Megan Fox transfixes again, this time at GQ's Men of the Year party at the oh-so-trendy Chateau Marmont. She pulled off one of her signature head-turning arrivals in one of her signature short, strapless dresses.
5 of 17 Steve Granitz/WireImage.com
Battlestar's beautiful Tricia Helfer flashes a smile in a girl-next-door type dress…with just enough oomph to remind us that girls next door can get super-sexy. The actress stopped for photos her way into GQ's party, which we're starting to think might have been more about the ladies than the gents.
6 of 17 Lester Cohen/WireImage.com
Robert Pattinson and Kristen Stewart pause to face the swarms of fans that descended upon Hollywood Boulevard for Twilight's world premiere. The pair, who star as tortured teens in love (he, a vampire, she, a mere mortal), were dark and gorgeous as ever, but perhaps a bit weary from their whirlwind press tour leading up to the big night.
7 of 17 Chris Polk/WireImage.com
Fellow Twilight vampire Elizabeth Reaser was ready to take on the crowds in a shiny, chartreuse dress that was a little more functional than foxy for our taste.
8 of 17 Chris Polk/FilmMagic.com
A gorgeous Jennie Garth goes old-school glam for husband Peter Facinelli's big Twilight night. The actor, who donned a sexy, streamlined suit for the occasion, was looking a little more healthy and human than his on-screen counterpart, Doctor Cullen.
9 of 17 Jon Kopaloff/FilmMagic.com
Despite its biting subject material, Twilight's premiere was a family event for humans in Hollywood like Kim Basinger and her daughter, Ireland Baldwin. Basinger kept it simple with a trendy men's-style jacket, while Ireland got glam enough for both of them (although she could lose the chest bow).
10 of 17 Jon Furniss/WireImage.com
Angelina Jolie and Brad Pitt, whose latest adoptee is that new mustache, step into the spotlight at a photo call for Changeling. The pair has managed to achieve coordinated, sexy style on and off the red carpet.
11 of 17 Jason Merritt/FilmMagic.com
Miley Cyrus keeps the fun-factor going at the premiere for Bolt, an animated adventure tale of a TV-star dog who must fight the odds to make it home. Cyrus lends her own superstar voice to Penny, the dog's costar, while John Travolta is the man behind the canine.
12 of 17 Jason LaVeris/WireImage.com
Criminal Minds stars Kirsten Vangsness and Shemar Moore cozy up for the cameras in Beverly Hills. The pair was attending the Paley Center's event, Inside Criminal Minds, which featured a panel discussion with the cast and crew.
13 of 17 Kevin Parry/WireImage.com
Matthew Gray Gubler (aka Dr. Spencer Reid) and the lovely Paget Brewster (Emily Prentiss) ham it up for photogs at the Paley Center event for Criminal Minds.
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The red carpet gets sporty at the Seven Pounds premiere. Rosario Dawson and Will Smith show off their customized Marlins jerseys while celebratin their new film. Smith plays an IRS agent with a dark secret who tries to amend the past, while Dawson a woman who helps him along the way.
15 of 17 Bruce Glikas/FilmMagic.com
Aww! Hollywood sibs Emily and Haley Joel Osment pose together at the after party for American Buffalo. Since opening night, however, the play reportedly posted a provisional closing notice. It was also up against Mamet's other star-studded Broadway production, Speed-the-Plow (which counts Elisabeth Moss and Jeremy Piven among its cast).
16 of 17 Soul Brother/FilmMagic.com
Eva Amurri sheds her furry layer long enough for lenses to snap at the 5th Anniversary of the CFDA/Vogue Fashion Fund, which benefits emerging American designers. The actress, a recent graduate of Brown University and daughter of Susan Sarandon, fit right in with the fashionista set in an Asian-inspired print dress.
17 of 17 John Parra/WireImage.com
Heidi Klum and Seal glow at the after party for the Victoria's Secret Show in Miami Beach. During the event, the model-mogul's musician husband shared that weekly date nights, vacation getaways and Heidi's love letters help keep the spark alive in their four-year marriage.