Cameron Diaz Preps for the Oscars

Cameron Diaz heads out of a medical building holding a cup of coffee on Saturday (February 25) in Los Angeles.

The 39-year-old actress will be presenting at the Oscars later tonight! Other presenters include Angelina Jolie, Ben Stiller, Bradley Cooper, Christian Bale, Emma Stone, Gwyneth Paltrow, Halle Berry, Natalie Portman, Meryl Streep, and the cast of Bridesmaids.

PHOTOS: Check out the latest pics of Cameron Diaz

Earlier this week, Cameron attended multiple parties to celebrate the Oscars.

10+ pictures inside of Cameron Diaz leaving a medical building…