BeyonceDuring the holidays, it's easy to overindulge in all the yummy, home-cooked treats. But before you bite into that extra slice of pie, celebrity trainer Marco Borges hopes you'll take his healthy tips to heart.

Borges, who is responsible for sculpting the bodacious bods of Hollywood's biggest stars, including Beyonce, Shakira and Gwen Stefani, stopped by PopEater to give us a few tips on how to stay fit during the holidays.

1. Plan ahead! If you know you're going to an event with lots of decadent food and drinks, don't go on an empty tank -- you're more likely to make the wrong choices. Instead, snack on healthy protein and fats beforehand (like a handful of nuts), which promote production of hunger-suppressing hormone leptin in the stomach, making you feel full on much less food.