Get ready for a challenge with this 30-minute fat-burning workout from Heba Ali, creator of Evolve Nation [1]. This workout will hit every muscle in your body, but you will definitely be in for a killer booty burn. For an extra challenge, grab a light and medium resistance band [2] and keep up!

If your fitness goals include a flatter belly and stronger core, you're going to need a solid plan, expert guidance, and a little outside motivation. Our 30 Days to a Flat Belly [3] plan has all three! This comprehensive workout plan will give you results you want without a pricey gym membership; you can do these workouts anywhere — and they're all 30 minutes or less.

Credits: On Anna: Spiritual Gangster top [4], Fabletics tights, [5] and Athletic Propulsion Labs (APL) shoes [6]. On Heba: Bodylanguage Sportswear top, [7], Onzie tights [8], and Nike shoes [9]. On Jenny: Gymshark top [10], Athleta tights [11], and Athletic Propulsion Labs (APL) shoes [12]. Corkcicle water bottles [13]. Manduka mats [14].