Sexy stars light up the red carpet -- and the streets
John Legend is one lucky man! Chrissy Teigen, 28, was stunning in this oxblood leather dress that hugged her fit frame. We love how she paired the sexy dress with demure tan accessories. (Photo by John Shearer/Invision/AP)
Jennifer Lawrence, 24, was all giggles in this mature tuxedo-inspired dress and pointy black pumps. (Photo by Stuart C. Wilson/Getty Images for BFI)
Rosie Huntington-Whiteley, 27, schooled us in post-Labor Day whites in this stunning casual outfit. The model and action star was effortlessly chic in her trusty white jeans paired with a fuzzy white sweater, nude heels and beige sunnies. (Photo by Bauer-Griffin/GC Images)
James Marsden, 41, snags another week on the 'sexy stars' list for this super slim-cut suit and signature smoldering squint. (Photo by Richard Shotwell/Invision/AP)
From her metallic pleated maxi skirt to her killer abs, Sienna Miller, 32, looked hotter than ever in this two piece getup. Our favorite part? Her cherry-red pout. (Photo by Charles Sykes/Invision/AP)
We wish we looked this good traveling! LAX was Kate Beckinsale's runway, as she strutted her stuff in this chic-yet-comfortable travel outfit. The 'Serendipity' actress, 41, added a pop of hot pink to really pull together the otherwise-washed out look. (Photo by GVK/Bauer-Griffin/GC Images)
Gisele Bundchen, 34, dazzled in this gray and gunmetal outfit and bright smile. She definitely has something to smile about -- the supermodel absolutely killed it in her newest ad for Chanel No. 5. (Photo by Andrew H. Walker/WireImage)
We just Channing-ed all over our Tatum! (Reference here) The 'Magic Mike' actor and new dad, 34, was lookin' good in a crisp button-down, blazer and jeans tucked into brown combat boots. Oh, and dangling earbuds completed his cool-guy look. (Photo by Raymond Hall/GC Images)
Emma Stone, 25, is always adorable, but there was something about this innocent-looking plaid skirt and sweater combo that put hearts in our eyes. (Photo by: Douglas Gorenstein/NBC/NBCU Photo Bank via Getty Images)
Jessica Alba, 33, looked incredible from head-to-toe in this whimsical set and absolutely flawless skin. (Photo by Ari Perilstein/Getty Images for SELF)
'Million Dollar Baby' star Hilary Swank, 40, looked a million bucks in this super fun dress with a sexy front cut-out. (Photo by Sonia Moskowitz/WireImage)
Now this is a power outfit! Maria Menounos, 36, was perfectly polished in flared jeans, leather jacket and no-fuss high ponytail. (Photo by Raymond Hall/GC Images)
Awkward bangs aside, we love how Beyonce, 33, paired these two fun prints. (Photo by Neil Mockford/Alex Huckle/GC Images)
Michelle Monaghan was already making our hearts ache before her tearjerker Nicholas Sparks' film was even released. The 'Best of Me' star, 38, was effortlessly gorgeous in this flirty dress and perfectly unkempt hair. (Photo by RB/Bauer-Griffin/GC Images)
Miranda Kerr, 31, totally accentuated her enviable long and lean figure in a nude pencil skirt and white crop top. (Photo by Han Myung-Gu/WireImage)
Holy smokes! Actress Amber Valletta, 40, absolutely killed it in this sexy LBD with a spider-lace cut-out. (Photo by Richard Shotwell/Invision/AP)
Actress Heather Graham, 44, was picture perfect in this short-sleeved gown with a fun fall print. Her straightened layered locks and red lips pulled the look together. (Photo by Ilya S. Savenok/Getty Images)
Rebecca Romijn, 41, was perfectly polished in a crisp dress and metallic pumps. (Photo by Didier Baverel/WireImage)
It was all about the drama for Reese Witherspoon, 38, in this baroque-inspired gown with lace accents. (Photo by Tim P. Whitby/Getty Images for BFI)
The stars are absolutely killing it on the style front!
From movie premieres to talk show appearances, and even just on the streets, our favorite celebs were looking good this week as summer weather transitions into fall.
Rosie Huntington-Whiteley looked gorgeous in post-Labor Day white that looked totally season-appropriate. The sexy model and action star, 27, paired her go-to white skinnies with a fuzzy off-white sweater.
Swimsuit model and John Legend's wife Chrissy Teigen, 28, also stunned in a pencil-length leather dress that hugged her fit frame.
Click through to see our picks for this week's sexiest -- and most stylish -- stars.