By Breaking Celebrity News Staff

What a difference a few hours makes! Melissa McCarthy went from barefaced and blah Saturday afternoon on her way to an exercise class, to brilliantly red carpet ready last night at the Producers Guild Awards.

The Mike & Molly and Bridesmaids star was first spotted in plain black sweats on her way to Pilates class near her Toluca Lake, Calif. home. Her hair was pulled back with a black headband and her face was free of make-up.