What do Vanessa Hudgens, Halle Berry, JLO and Kourtney Kardashian all have in common? They're fast...ing.

Hudgens, Berry, Kardashian and other celebrities, including Jenna Jameson and Hugh Jackman, have all recently highlighted intermittent fasting into their diet and exercise routines, opening up about the benefits of one of the wellness industry's latest trends in interviews.

Read how they do it over at E! Online.