Posing in heels and a tight mini dress, the 38-year-old posed happily next to her fellow Black Eyed Peas members, Will.I.Am and apl.De.Ap. "UncleLove," she captained the picture via Facebook, noting that she was missing Taboo, reported Us magazine.
In another snapshot, the singer posed with a plate of yummy food and wrote, "Thank you Pam for the amazing family babyshower."
It was the second baby shower for the mom-to-be, who first celebrated at an A-list packed "gay-by" shower thrown by her gay BFFs on July 28 in Beverly Hills.
The star gushed about her hubby, explaining that he's been so nice and wonderful during her pregnancy.
"He sings and talks to my belly all the time. He's very complimentary. I'm very lucky that he's really good to me," she said.
The pair, who wed in January 2009, announced they were expecting in February.