11/28/2011 02:57 pm ET

Melissa McCarthy's Body Is A 'Work In Progress'

It's been a banner year for Melissa McCarthy professionally, but there's one thing the Bridesmaids star and recent Saturday Night Live host is still struggling with: her weight.

"I've been up and down," McCarthy, 41, tells Anderson Cooper during an appearance on Cooper's daytime talk show, Anderson, which will air Monday. "I've been much thinner since my second baby. I'm still working on it. It's a work in progress."

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