Big Brother Season 18 Houseguests Test Drive Their Swimwear In The BB Backyard

The new—and returning—Houseguests model together in the hot tub for a Season 18 composite.

The new—and returning—Houseguests model together in the hot tub for a Season 18 composite.

Watch Big Brother on CBS and CBS All Access.
The returning Houseguests keep cool in a new pool area in the Big Brother backyard.

The returning Houseguests keep cool in a new pool area in the Big Brother backyard.

Watch Big Brother on CBS and CBS All Access.