Kate Hudson offered a bit of advice to those who want to get in shape or who want to watch their weight during the holidays, and it’s pretty simple really — work hard.

The actress told Us Weekly on Nov. 21 at her mother Goldie Hawn‘s charity event Love In For Kids that the secret to looking good is working “your ass off.”

After admitting that, like most girls, she loves “real serious double double burger, fries, and Coke,” the 35-year-old blonde beauty admitted that she has to works out like crazy to keep her fabulous shape.

“You [have to] work your ass off, that’s the only way. [And] you have to eat right,” Hudson said. “Everybody wants some sort of secret and there just isn’t, it’s just you have to work out.”

Kate Hudson reveals there is no secret to her fit body: "You have to work out" http://t.co/M3UcQ9VnYg pic.twitter.com/t7ERsmZZuf

— NY Daily News Gossip (@NYDNgossip) November 25, 2014

Hudson said she has been practicing Pilates for 15 years and said consistency is the key.

Photo: Kate Hudson supports her mom at the @goldiehawn's Inaugural 'Love In For Kids' pic.twitter.com/zlzHgxaGA8

— ET Canada (@ETCanada) November 22, 2014

“I wouldn’t say [I work out] a lot, just consistently…People think for some reason you have to work out for two and a half hours…but, it can be little,” said Hudson. “It can be 20 minutes, it could be 40 minutes, but you have to [get it in]. You can’t do like two weeks and go like do two days and then take a week off and then do three days and then go, ‘Why aren’t I [seeing results?] I don’t get it.’ You know, you just got to do it — sad, like anything else in life!”

Kate Hudson takes her health seriously (without getting too serious) and we love her for it http://t.co/chBhEioZJp pic.twitter.com/iKh5cEvFVh

— Cosmo BODY (@CosmoBodyUK) November 25, 2014