Jennifer Hudson Reveals How She's Maintained Her 80-Pound Weight Loss -- and It Doesn't Include Exercise

The 35-year-old singer claims she doesn't have time to work out.

Jennifer Hudson shares her secret to losing 80 pounds and keeping it off for years.

The 35-year-old singer appeared on the U.K. show Lorraine on ITV and revealed that she is very good about sticking to a healthy diet, but not so diligent about working out. "I don’t have time to do much [exercise]," Hudson admitted. "I just watch what I eat."

WATCH: Gabourey Sidibe Breaks Silence on Undergoing Weight-Loss Surgery -- 'I Want to Do a Cartwheel'

"I'm very conscious of what I eat," she added. "I'll be out and think, 'No, it’s too early to eat right now.'"

Getty Images

When host Lorraine Kelly pointed out that all the onstage performances could count as exercise, Hudson -- who became a rep for Weight Watchers in 2010 -- insisted, "I'm very conscious of what I put in my body."

WATCH: Noticeably Slimmer Jonah Hill Spotted Leaving the Gym in Los Angeles

The Oscar winner went from a size 16 to a size 6, but told Oprah Winfrey during an interview in 2011 that she's not interested in getting any smaller. "I like meat on my bones," Hudson shared. "A [size] 2 and a 0, that's not for me."

Meanwhile, reality star Mama June Shannon is in the midst of her weight-loss journey on WE tv's show From Not to Hot. Here's a look at her transformation: