"You know, the funny thing is, I was actually working the night before, so I didn't get an opportunity to have a pig-out session, no," Studdard said in a phone call. "I actually flew from a concert to the ranch. ... I'm sure I probably would have had a piece of cake or something before I went up to the ranch for months and months."
The 35-year-old singer became famous winning another reality show - "American Idol" - but had seen his weight climb in the years since. He is the 15th season's heaviest contestant at 462 pounds. "The Biggest Loser" returns Oct. 8 at 8 p.m on NBC.
The Grammy-nominated artist said after the show, he'll record his sixth album, but he will also make sure to "give every day of my life some Ruben time."
"That's what I've been taught, as you know. I have to get up every day and give myself the two hours that I need to keep myself together before I even get into any music stuff, and that's just going to have to be how I do it," he said.