What do these 3 celebrities have in common, you ask? Their frugal living tactics.

In a recession-scarred economy, even celebrities are spending wisely and using coupons before succumbing to inflated retail prices. Fashion icons Sarah Jessica Parker, Carrie Underwood, and Lady Gaga made BusinessWeek's Most Frugal Celebrities list with their shameless saving strategies. Take a cue from these red carpet cheapskates with their celebrity money-saving tips and tricks.

While on the show 'Every Day with Rachel Ray', Carrie Underwood dished out about her coupon-clipping ways to stock up on stir-fry kits, meatless burgers, and armloads of onions and garlic.

Today, nearly 49 million Americans struggle to put food on the table. Stocking up on frozen foods when they're at their cheapest price can help consumers save on monthly grocery bills. Printable coupon company, CouponsForChange.org, has created a charitable business by offering hundreds of coupons and providing one free meal to a food-insecure family for every three coupons clipped on the site. What a way to save and give back to those in need!

Lady Gaga exposed her coupon-obsession with the following tweet: "Why do people look at me like I'm crazy when I use coupons at grocery (stores) or try bargaining at retail, I'M FROM NEW YORK WHERE IS THE SALE RACK."

We can finally say goodbye and RIP to the long-lived social stigmas of couponing. In the last decade, a slew of coupon companies have partnered with major retailers to entice money-conscious spenders. No longer do you have to waste time going through the mail and clipping coupons. You can now find both instore and online coupons on the web on a wide range of products; everything from food to fine jewelry. For example, luxury couturists often snag Jimmy Choo and Roberto Cavalli merchandise and save hundreds of dollars on a single purchase with their secret weapon known as an exclusive Luisaviaroma coupon code.

Sarah Jessica Parker told Parade Magazine that she refuses to blow money on brand new clothes for her son, and instead dresses him in her nephews' hand-me-downs.

Buying into the idea of second-hand clothing is a great way to save money, especially on overpriced kidswear that has a short shelf life of 1-3 years. Clothing swap parties are all the rage nowadays and it has become the most popular way of trading like-new items with friends and family members. This trend has not only picked up amongst moms, but also with frugal fashionistas that want to upgrade their closet without having to spend the money for it. Innovative sites like PoshMark.com allow you to shop the closets of millions of women in America and sell your own clothing to make money.

If Hollywood's millionaires can spend consciously regardless of their big bad pocketbooks, there's no reason why the average consumer shouldn't be subscribing to the latest penny-pinching advancements on the web. For richer, for poorer, pay full price for nothing! After all, a penny saved is a penny earned.

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Nayri Leanna Gregor is a Consumer Trends Expert who thrives on sharing her tried and true retail insights. This UCLA grad has produced and appeared on over 50 TV shows including the likes of Good Day LA, NBC New York, KTLA and Fox CT to spread the cheer of smart shopping tips and tricks. When this dealista is not dropping in on the set of morning shows, you can find her work as a contributor to The Huffington Post, SheKnows.com and The Dollar Stretcher.

Follow Nayri Leanna Gregor on Twitter @Sointheknow