At the 2015 SAG Awards, the Wild actress kept tame with an elegant one-shoulder Giorgio Armani design.
Sweet and simple! The star's black and fuchsia Lanvin gown is the perfect choice for the 2015 Critic's Choice Awards.
This is how it's done, ladies! She's ultra-glamourous in a sparkling Calvin Klein number at the 2015 Golden Globes.
She sports a flirty lace Self-Portrait frock with sweet sheer details at the LA Hollywood Bag Ladies Luncheon in Beverly Hills.
Reese compliments her white Zac Posen dress with Harry Winston jewels and her sexy red lips at the Wild premiere in Beverly Hills.
The Oscar winner goes full glam at the premiere of Wild at the 58th BFI London Film Festival at Odeon Leicester Square in London.
At the 2014 Variety Power of Women presented by Lifetime luncehon at the Beverly Wilshire Four Seasons, the actress hits the carpet in a red and back cocktail dress.
Reese slips into a black-and-white floral Christian Dior frock at The Good Lie premiere in Nashville.
The sugary-sweet actress picks a ladylike Christian Dior gardenia-print dress for the Washington DC premiere of The Good Lie.
At the Toronto International Film Festival, the 38-year-old works an architectural black Saint Laurent mini.
This embossed plum Dolce & Gabbana mini is the ideal summer-to-fall frock.
The star styles two pieces, a Stand Up to Cancer shirt paired with a black skirt, at the charity's event.
Whew! We dare say the star has never look better than in this bold Stella McCartney gown from the 2014 Met Gala.
Attending the Colleagues' 26th Annual Spring Luncheon, the actress turns heads in a springy Oscar de la Renta dress.
The actress attended the Great American Songbook event in NYC wearing a black long-sleeved Valentino dress with scalloped trim detailing.
Reese rocked a sexy black leather dress that showed off her impressive figure at the Hugo Boss show during 2014 New York Fashion Week.
As event chair of Hollywoods Stand Up To Cancer event, Reese stood out in an orange Roland Mouret dress with white side panels that cinched her small waist.
Mrs. Jim Toth served as presenter at the 2014 Golden Globe Awards in a custom teal Calvin Klein silk t-back dress with Harry Winston accessories.
Mother of three and still looking great! Reese wore a form-fitting black lace embroidered dress at the March of Dimes Celebration in Beverly Hills.
At Elle's 20th Annual Women in Hollywood gathering, the actress wore a Calvin Klein strapless red dress with strappy sandals.
Reese flaunted her killer arms in this Antonio Berardi strappy dress featuring black lace top and printed skirt.
The hot mama showed us her chic pregnancy style in a belly-hugging black Versace dress at the Cannes Film Festival.
The Mud actress looked stunning in a black Saint Laurent mini with newly dyed brunette tresses.
The Best Actress Oscar-winner presented at the 2013 Academy Awards wearing an electric blue Louis Vuitton strapless gown with neutral makeup.