From TVLine.com:

Angela Kinsey is a terrible liar — and she knows it. When I grilled her at the Emmys Sunday about the mysterious second pregnancy on this season’s Office, she feigned ignorance so unconvincingly that even she wasn’t buying what she was selling.

The actress was far more believable when discussing the rekindled war between Angela and Jenna Fisher’s Pam (Baby Momma No. 1). “She’s incredibly mean to Pam,” Kinsey told me. “We’re back to the frenemies stage.”

And Kinsey couldn’t be happier. How happy? Watch the following clip and find out.

Source: The Office‘s Angela Kinsey Relishing Renewed Angela-Pam Rivalry: ‘I’m Such a [Expletive]!”