When the trailer or We’re The Millers debuted this week, fans were stunned at how good she looked as a stripper, wearing next to nothing. The self-professed yoga addict has credited her instructor for shaping her body.

Aniston said of her instructor, Mandy Ingber, "I credit Mandy for my legs. I could never get rid of that little saddlebag, but I melted away,” Perez Hilton reports.

Even director Rawson Marshall Thurber praised Aniston’s great body, saying She got in great shape and worked incredibly hard for that sequence and it shows. I think people are going to watch it with their jaw on the ground." He continued, “Practice makes perfect and her strip is close to perfect. She gives a knock out performance.”

Aniston also talked toning up for the movie, saying “I’ve always been in shape but I could never get rid of that little saddle bag and it was miraculous how it sort of melted away,” People reports. She practices yoga with Ingber three days a week.

Aniston, engaged to Justin Theroux, also credits eating healthy, organic food to her amazing body.

image: YouTube