2013 Oscars Week | Entertainment News, Photos, and Videos

Lily Collins strikes a pose while attending the 2013 Chanel Pre-Oscars Dinner held at Madeo Restaurant on Saturday (February 23) in Los Angeles.

The 23-year-old actress chose a Chanel navy & pink tweed shorts jumpsuit and vest from the Spring/Summer 2013 RTW Pre-Collection with a Chanel bag, and a Chanel Fine Jewelry cuff and rings.

PHOTOS: Check out the latest pics of Lily Collins

Lily‘s film Mirror Mirror is nominated at the Oscars this year for Best Costume Design. It is up against Anna Karenina, Les Miserables, Lincoln, and Snow White and the Huntsman.

Jessica Chastain looks great while attending the 2013 Chanel Pre-Oscars Dinner held at Madeo Restaurant on Saturday (February 23) in Los Angeles.

The Oscar-nominated actress wore a Chanel white silk pleated dress from the Spring/Summer 2013 Haute Couture Collection.

PHOTOS: Check out the latest pics of Jessica Chastain

Jessica is nominated at tonight’s Academy Awards for Best Actress for her work in the film Zero Dark Thirty. She is up against Silver Linings Playbook‘s Jennifer Lawrence, Amour‘s Emmanuelle Riva, Beasts of the Southern Wild‘s Quvenzhane Wallis, and The Impossible‘s Naomi Watts.

Kate Bosworth makes her entrance at the 2013 Chanel Pre-Oscars Dinner held at Madeo Restaurant on Saturday (February 23) in Los Angeles.

The 30-year-old actress looked lovely in a pink Chanel dress from the Spring/Summer 2013 Haute Couture collection with Chanel shoes and bag and Chanel Fine Jewelry‘s diamond earrings and matching bracelet.

PHOTOS: Check out the latest pics of Kate Bosworth

Earlier in the week, Kate and her fiance Michael Polish landed back in the US after attending some events during London Fashion Week, including the Topshop Unique Fashion Show.

Teresa Palmer strikes a pose while leaving the Ari Emanuel Pre-Oscars Party on Friday night (February 22) in Brentwood, Calif.

That same evening, Paul Walker was spotted leaving the annual UTA Pre-Oscars Party at agent Jim Berkus‘ house.

PHOTOS: Check out the latest pics of Teresa Palmer

Make sure to catch Tez‘s latest film Warm Bodies in theaters right now and Paul‘s film Fast & Furious 6 when it hits theaters on May 24!

FYI: Teresa is wearing Steve Madden shoes.

10+ pictures inside of Teresa Palmer and Paul Walker at separate parties… More Here! »

Olivia Munn is a bright bombshell while exiting a Pre-Oscar House Party on Friday (February 22) in West Hollywood, Calif.

The 32-year-old Newsroom actress was joined by her hand holding boyfriend Joel Kinnaman.

PHOTOS: Check out the latest pics of Olivia Munn

Earlier in the day, Olivia dropped by the Kari Feinstein’s Pre-Academy Awards Style Lounge for some swag.

Olivia will be watching the 2013 Academy Awards at Vanity Fair‘s Oscar viewing dinner and after-party at the Sunset Tower hotel.

“Things are being flown in. I have two different designers,” Olivia recently shared with E! News about her Oscar party dresses.

Samantha Barks hits the red carpet at the Montblanc and UNICEF Pre-Oscar Charity Brunch to celebrate the launch of their new “Signature For Good 2013″ Initiative at Hotel Bel-Air on Saturday (February 23) in Los Angeles.

The 22-year-old Les Miserables actress was joined at the event by The Hunger Games‘ Alexander Ludwig, Jesse Williams, and Jesse Metcalfe with girlfriend Cara Santana.

Make sure to watch the 2013 Oscars tomorrow night to catch Samantha perform a musical number alongside her Les Miserables castmates!

15+ pictures inside of Samantha Barks and others at the brunch… More Here! »

Charlize Theron is all smiles while attending a dinner to celebrate the collaboration between Toms and the Charlize Theron Africa Outreach Project on Friday (February 22) at the Toms Flagship Store in Venice, Calif.

The 37-year-old actress joined Toms Shoes founder Blake Mycoskie to launch their third collaboration. In case you didn’t know, for every pair of Toms shoes that are purchased, another is given to a child in need.

“Blake, I’m not ever going to get married, but this is the closest I’m going to get to a marriage that actually works,” Charlize joked at the dinner (via InStyle). “Your team and your long-term commitment to us has been so amazing.”