Ariana Madix, Lala Kent, Peter Madrigal, Tom Sandoval, Scheana Shay, Katie Maloney-Schwarts, Tom Schwartz, Stassi Schroeder and her boyfriend Beau Clark, and Kristen Doute and her boyfriend Brian Carter were all present, which will be shown on the upcoming seventh season of the Bravo hit reality series, reports Bravo.
"Keeping this #pumprules crew quiet for the surprise was almost impossible," Kristen shared a video on Instagram.
Many of Jax and Brittany's co-stars took to Instagram stories to congratulate the couple on their engagement.
Photo: @mrjaxtaylor/Instagram Stories
Photo: @brittany/Instagram Stories
Photo: @ariana252525/Instagram Stories
Photo: @kristendoute/Instagram Stories
Photo: @lalakent/Instagram Stories
Photo: @scheana/Instagram Stories
Photo: @tomsandoval1/Instagram Stories
Photo: @tomsandoval1/Instagram Stories
Photo: @lalakent/Instagram Stories
Photo: @mrjaxtaylor/Instagram Stories
Photo: @scheana/Instagram Stories
Photo: @scheana/Instagram Stories