For the first time ever, HGTV stars partner up with celebrities and each team is tasked to create a gorgeous main suite. Ty invites the teams to a Las Vegas show and delivers housewarming gifts to use in their spaces. Lisa Vanderpump arrives to judge.

It's Week Two and the star-studded teams tackle their entries, great rooms, and dens. Smart strategies, special projects, and stunning designs make choosing a winner difficult for "Rock the Block" winning judge Michel Smith Boyd.

The stars turn up the heat when they design dazzling kitchens and dining rooms in Week Three. Teams go all-in, some desperate for their first win, and Page Turner from "Love It or List It" arrives to judge the gorgeous results.

It's Week Four, and teams head into their multi-generation suites to create one-of-a-kind spaces. They're tasked with juggling a new design twist: adding something new, old, borrowed or blue. Also, everyone gets to judge each other's work!

In Week Five, the teams conquer the largest space in the house: the RV garage! These massive blank canvases let the creativity flow as they take big risks in hopes of getting a win. Luann de Lesseps arrives to judge their incredible work.

Teams kick off Week Six by heading outside to renovate their backyards. With a spin of the roulette wheel, each wins a swimming pool to create their own Vegas oasis. Former NFL great Danny Amendola arrives to determine who made the right moves.

It's the Final Week, and the teams must finish their home exteriors as they try to add every dollar to their final appraisal. "Property Brothers" Jonathan and Drew Scott arrive to assess the finished homes and crown a new winner!