Jamie Lynn Spears "Very Happy" at Baby Shower

"Jamie Lynn was very happy," a Spears source told Us Weekly in its latest issue, on newsstands now. "She had a great time."

Several dozen family members and friends – including Britney, 26, who hadn't visited home in more than a year (and was granted expanded visitation of her two sons Tuesday) — got to the family's Serenity mansion at 4 p.m. and were greeted with blue, pink and brown balloons, as well as flowers on the tables.

(No cameras or cellphones were allowed, and source told Us that matriarch Lynne personally kicked out some crashers.)

Jamie Lynn, who's due in June, shared lunch with the group and opened her presents, many of which were purchased from Connie's Jewelry & Gifts, a local store and favorite Jamie Lynn shopping stop.

"She got several nice things," says a source. (Another insider told Us that a family pal drove Britney, Lynne and dad Jamie to the airport on May 4 for a return trip to L.A.)

Next up for the 17-year-old mom-to-be? A shower hosted by the aunts of fiancé Casey Aldridge.

"It's going to be for his side of the family," a source told Us. As for a possible shotgun wedding for the couple, a different source said, "I haven’t heard anything about it. They’re just focusing on having a healthy baby."

Check out the latest issue of Us Weekly, on newsstands now, for more about Jamie Lynn's shower.

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