The SAG Awards are just a couple of days away, and Cougar Town star Busy Philipps will be fulfilling a special role at this year's event, serving as the night's official social media ambassador. We caught up with the actress today in LA to get the scoop on her love of Twitter-which was the venue she used to announce her second pregnancy-and what it was like to have her best friend Michelle Williams appear on her TV series. Check out our interview and don't forget to tune in for PopSugar's live coverage of the SAG Awards on Sunday at 6 p.m. EST/3 p.m. PST!">