Angela Kinsey, 36 – who’s expecting her first child, a daughter, later this spring – was feted by her Office castmates Saturday during a girls-only baby shower.

“Angela has a lot of sisters and a lot of relatives from Texas who came out,” costar Kate Flannery told PEOPLE that night, at the Humane Society’s 22nd Genesis Awards. “[There were] a lot of Southern ladies who were sitting around drinking iced tea. No men – it was only the ladies.”

The bash, held at Jenna Fischer’s L.A. home and co-hosted by Kinsey’s sister-in-law Susanne Daniels, included about 25 guests who noshed on tea sandwiches from Paddington’s Tea Room. There were “white and pink roses everywhere,” added Flannery, who gave the mommy-to-be a pint-sized pink robe with rabbit ears.

Read more: Angela Kinsey’s Down-Home Baby Shower