Sam Poueu and Stephanie Anderson

It's another Biggest Loser engagement!

Season 9's Sam Poueu proposed to girlfriend and fellow castmate Stephanie Anderson at the show's Calabasas, Calif., ranch, US Magazine reports. 

The Biggest Loser's Stephanie opens up about first love with fellow contestant

The couple began their romance during filming and became vocal about it once Stephanie, 30, was eliminated in Week 11. At the time, she told TVGuide.com, "I'm genuinely and truly the happiest I've ever been and I believe Sam is as well ... my friends and family ... have met Sam and fallen in love with him too."

Poueu, 23, made it to his season's final 6 and said he was attracted immediately to Anderson's go-getter attitude.

Biggest Loser's Sam Calls Girlfriend and Fellow Contestant Steph His Role Model

By the Season 9 finale, Anderson had lost 99 pounds and Poueu had lost 142.

The couple isn't the first Biggest Loser relationship. Season 2's Matt Hoover and Suzy Preston married and have two kids. Season 3's Marty Wolf and Amy Hildreth are married with one son. Season 8's Antoine Dove proposed to Alexandra White during their finale and Rebecca Meyer and Daniel Wright, from the same season, are dating