By Leah Ornstein - Breaking Celebrity News Features Editor

Other stars spend hours at the gym every day and stick to dangerous low calorie diets to keep their bodies looking bangin’ but not Blake Lively!

The Gossip Girl star, who has one of the most enviable bodies on the red carpet, reveals in Marie Claire’s October 2012 issue that her secret to skinny is not a trendy diet, a hot new workout video or taking the stairs instead of an elevator – it is simply just her age.

“Being 25 years old,” Lively dished on how she maintains her fabulous physique. “That and a good metabolism. I could lie and put it down to dog walking, but you would be well within your rights to call my bluff: my dog weighs three pounds. I take six steps