It's been a mostly dry winter for Katy Perry. The American Idol judge says she has curbed her drinking as part of an agreement with her fiancé of more than two years, Orlando Bloom, with whom she shares daughter Daisy, 2. And it hasn't been easy. "I've been sober for five weeks today," the pop star told People. "I've been doing a pact with my partner and I want to quit." However, that doesn't mean she's planning on breaking the pact any time soon – despite making her comments at a curated cocktail event with American Idol host Ryan Seacrest and fellow judges Lionel Richie and Luke Bryan. As for how long Katy and the Pirates of the Caribbean star plan to abstain from alcohol? When the Light It Up singer jokingly asked her if she was caving, Katy responded with a firm, "No, girl!" "I can't cave," she added, per People. "I made a promise. However, this is not the first time the singer has temporarily stopped drinking. Following her divorce from Russell Brand in 2012, she went through a three-month detoxing period, which included no alcohol.