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When it comes to burning a lot of calories in little time, try Tabata. It's a form of high-intensity interval training (aka HIIT) that alternates between 20 seconds of max training and 10-second rest periods for a total of eight rounds. These workouts are fast-paced and fun. This workout is made of two Tabata sets, plus a short warmup and cooldown. No equipment is necessary, and we keep track of the timing. So what are you waiting for? Press play, and get your sweat on. Looking for a longer workout? After completing this video, try another 10-minute Tabata workout for 20 minutes of fun!

You're busy, and the American College of Sports Medicine knows this, so it created a seven-minute, high-intensity workout for you to squeeze as much sweat as you can out of a short exercise session. To truly reap the benefits of this fitness quickie, the ACSM recommends doing three reps of the workout. Get prepped with a mat and chair, since there are some step-ups coming your way. Press play and follow along as we lead you through the 12 moves.

A dance party can be a workout! And Benjamin Allen, the founder of LA's GROOV3, is here to teach you how to burn up calories while getting down. At the end of the 10-minute leg-toning workout, you will have learned some dance moves to show off at the club. Press play, and get ready to trip the light fantastic.

It's time to bare your shoulders with all the fun Summer fashions, from tank tops to strapless dresses. We have just the workout to help sculpt lovely arms, and it's only five minutes! Press play, grab a set of five-pound dumbbells if you have them, and get ready for a fitness quickie.

A big night out, a new slinky dress to wear - and the bigger the event, the more our nooks and crannies seem to want to stick out. Enter Spanx. With endless shapewear options to choose from, these garments promise to shave inches off the body while smoothing out any jiggly parts. But is all that squeezing and pinching good for the insides, or are they slowly shrinking from all the pressure? Check out our video to find out.

Let's face it, making breakfast can be a pain on days you're running late. But this simple-to-make recipe from supermodel Karlie Kloss is your key to smoothie success - all you need is milk, fruit, and protein powder. While any of your favorite ingredients will work, we're partial to Karlie's recipe, which reminds us of drinking a chocolate milkshake - except that it's much better for our health! Photo: Lizzie Fuhr