Katy Perry didn't drink alcohol for three months, went on cleanse to prep for Vogue cover
- Photo: Bridow/WENN1 of 10
- Photo: Theo Kingma/Rex USA2 of 10
- Photo: JXA/WENN3 of 10
- Photo: Wonderwall4 of 10
- Photo: KRUG/OHLENBOSTEL/StarTraks5 of 10
- Photo: Kevin Mazur/WireImage6 of 10
- Photo: Steve Granitz/WireImage7 of 10
- Photo: Rex USA8 of 10
- Photo: Kevin Mazur/WireImage9 of 10
It's not easy being a Vogue cover girl! While taking to Jay Leno on Friday, Katy Perry admitted that the July issue photo spread -- shot by famed photographer Annie Leibovitz -- required intense preparation.
"I did a lot of my own prepping," the "Wide Awake" singer, 28, said of the cover that was shot on a farm in Upstate New York. "I kind of went on a cleanse, I did a lot of stuff like vitamins and supplements, I changed my coffee to green tea, I didn't drink alcohol for three months."
"I was really in the zone, I just wanted to be glowing for that cover," she continued.
Despite the regimen, Perry seemed pleased with the end result -- sharing how "amazing" it was to work with Leibovitz. "She's incredible," she said. "It was really fantastic working with her. She [has] such a great vibe, she's got no ego which is fantastic, and she really let's me be creative as well."
Perry, who voices Smurfette in the upcoming July 31 "Smurfs 2" movie, also opened up about the vibe of her upcoming album, which she said will debut "soon."
"I've had a lot of time to reflect, and I think that it will continually be what I always do -- connecting to my core and trying to bring an honest message that people can relate to," she said.
MORE FROM WONDERWALL:
Fall's Best Looks
New fashion trends are here! Take a look at celebrities rocking fall's best looks so far.Watch Video »
Tats for Love
From Heidi Klum and Seal to Ryan Sweeting and Kaley Cuoco, see which stars got tattoos for love.Watch Video »
Shailene Woodley and the stars of "Divergent" chat phobias and on-set injuries at the film's world premiere.Watch Video »
Go behind the scenes at the 2015 Life Is Beautiful Music & Art Festival in Las Vegas with Rosario Dawson, Kat Graham, Snoop Dogg and more!Watch Video »
Kaley Cuoco spends time with friends and family -- and lots of horses! -- in the wake of her breakup on this week's Celebs Gone Social.Watch Video »
Pets & Love
Miranda Lambert opens up about self-esteem issues, her husband Blake Shelton and her involvement with Pedigree Dog Charity.Watch Video »