All the Housewives (including John Mayer) gathered for a group shot at the event.
Andy Cohen and his close friends celebrated at The Palms restaurant in Beverly Hills that featured hundreds of balloons from OC Balloon Bar.
Cohen and Bruce Bozzi Jr., the Executive Vice President of the restaurant, smiled for a picture together.
John Mayer made a surprise appearance and took a photo with Real Housewives of Orange County star Tamra Judge.
Margaret Josephs and Marlo Hampton struck a pose at the party.
Cohen, the Housewives and everyone else dined on delicious food including salads, chicken, seafood, filet mignon and cake.
Lisa Rinna arrived at the party holding a stuffed animal.
Real Housewives of Atlanta member Phaedra Parks showed up with a bagful of gifts for the soon-to-be dad.
LeeAnne Locken and Kameron Westcott have some fun with West Coast housewives Emily Simpson and Gina Kirschenheiter inside The Palm.
Rebecca Romijn smiled before entering the Housewives baby shower.
Andy Cohen posted about heading into his baby shower hosted by Kyle Richards in Los Angeles. The TV host spent the day surrounded by many members of the Real Housewives family.
Cute baby decorations adorned the table for guests to use as props for the photo booth.
Their lunch table looked like it belonged at a royal feast!
Cohen smiled and danced in front of the camera. Some housewives, including Teresa Giudice, sat at a table behind him and recorded a podcast.
The theme for the Watch What Happens Live host's shower was appropriately "A Star Is Born." So cute!
Cohen and Real Housewives of Atlanta star NeNe Leakes shared a hug at the shower.
Decor from inside the party included balloons from OC Balloon Bar.
Some activities at the baby shower included a photo booth with fun props.
Cohen spoke in front of his guests and praised the hostess with the mostess.