No Strings Attached

Plot:

Tom Schwartz finally plans to get down on one knee for Katie, but Lisa Vanderpump worries that his proposal scheme will end in disaster. Brittany moving in with Jax doesn't stop him from moving in on Lala. Ariana's attitude drives Scheana and Katie closer to Kristen, Sandoval tries to correct a mistake, and Kristen and James get left out when the SUR crew plans a tropical vacation.