The 21 year old befriended the musician's actress daughter Zoe on the set of X-Men: First Class last year (11) and they hung out together when the younger Kravitz visited her father on set in North Carolina.
The Fly Away hitmaker, who has been cast as stylist Cinna in the much-anticipated adaptation of Suzanne Collins' novel, would often invite his co-stars back to his hotel room to relax after a hard day's work, and candy fiend Lawrence admits she got a little too comfortable chilling out with the rocker.
She tells People magazine, ""I was hanging out in Lenny's place and I ordered $500 on room service... of Gummy Bears without realising it.""
But Lawrence kept quiet when Kravitz spotted the big bill - and his daughter ended up taking the blame for the extra charges.
She explains, ""He was saying to Zoe, 'Have you guys been ordering a ton of room service?' And it was like, 'No! What are you talking about?' And then the crystal bowl appears filled with Gummy Bears. It must have been, like, 10 bags' worth. I eat candy like a child.""
Lawrence recently admitted to splurging on room service whenever she can - because she was always forbidden from taking snacks from the hotel minibar when she was younger.
She said, ""When we were kids, we would never open the minibar. A $6 Snickers bar? But the other day I was in a hotel and I was staring at a Snickers bar, and I finally just ate it. Then it was like something in me snapped. I opened all these drinks. I thought, 'I can do it now. Now I'm all grown-up. I can eat things from the minibar.'""