06/04/2012 AT 05:55 AM EDT
Pregnancy apparently isn't keeping Anna Paquin
off of her feet.
Fresh from True Blood
's latest season premiere event, the expectant starlet
accompanied hubby Stephen Moyer and some castmates to new Hollywood night club Lure to celebrate at the after party.
"Anna showed off her baby bump and talked about the joys of pregnancy," an onlooker at the club says.
Fellow fan favorite Joe Manganiello (who stars in the upcoming Magic Mike
) was also present at the party, "enjoying food, music and attention," the source says, adding that he "was courteous to his fans and was even taking pictures with some of them." – Jennifer Garcia