Slimmer Thighs in 6 Moves

Firm up your butt and legs with the sculptors below, designed by Dolvett Quince, from NBC's The Biggest Loser, who's toned up Justin Bieber and Angela Bassett. And the model showing off the moves? That's singer-songwriter JoJo, who had a gutsy hit single "Leave (Get Out)" at age 13.

The plan: Cue up some tunes (see Dolvett and JoJo's faves below), and do three sets of each move three times a week, alternating days. Then stock up on short-shorts. You'll want to flash some leg!

Dolvett's top 5

1. "WE FOUND LOVE" Rihanna (featuring Calvin Harris)
2. "TAKE CARE" Drake (featuring Rihanna)
3. "WHO GON STOP ME" Kanye West and Jay-Z
4. "WITHOUT YOU" David Guetta (featuring Usher)
5. "THE MOTTO" Drake  (featuring Lil Wayne)

JoJo's top 5

1."I'M SHIPPING UP TO BOSTON" Dropkick Murphys
2. "VIVRANT THING" Q-Tip
3. "RUNAWAY LOVE" Justin Bieber
4. "SEX ON FIRE" Kings of Leon
5. "HOT THING" Talib Kweli (featuring will.i.am)

SHOWSTOPPING LEGS

REAR SHAPER works butt, thighs

Start on all fours, knees under hips, hands slightly in front of shoulders. Lift right knee to side at hip level; trace 12 large circles clockwise (as shown), then 12 the other way. Switch legs; repeat.

BUTT LIFTER works butt, hamstrings

Lie faceup, knees bent, feet flat. Extend right leg toward ceiling, toes pointed. Squeeze glutes and lift hips to form a straight diagonal from left knee to shoulders (as shown). Raise hips higher, then lower to floor for 1 rep. Do 15 reps. Switch legs; repeat.

CALF CARVER works calves, abs

Raise right knee to hip level, toes pointed, hands behind head. Contract abs as you lift left heel as high as you can off floor, balancing on ball of foot (as shown). Hold for 3 seconds, then lower heel for 1 rep. Do 15 reps. Switch legs; repeat.

TWISTING TONER works butt, thighs, abs, obliques

Step right leg into a lunge, arms out to sides, rotating upper body to right until arms align with right thigh (as shown). Rotate to center, stepping right leg back to meet left. Repeat on opposite side for 1 rep. Do 12 reps.

ASS KICKER works butt, hips, hamstrings

Start on all fours, knees under hips, hands slightly in front of shoulders. Lift and extend right leg as high as you can, toes pointed (as shown). Keeping leg straight, cross right leg over left leg and tap toes to floor, then swing right leg up as high as you can and across to right, again tapping toes, for 1 rep. Do 15 reps. Switch legs; repeat.

LEAPING FIRMER works butt, legs

Stand with feet together, hands clasped in front of chest. Step left leg into a forward lunge. Push off floor immediately, jumping as high as you can (as shown). Land in a lunge with right leg forward for 1 rep. Do 15 reps as quickly as possible.

Not sure you're doing the "Ass kicker" correctly? No sweat. Check out Dolvett and JoJo as they demo the six moves above in this video!

--

For more inspiring healthy food and fit tips, follow SELF on Facebook and Twitter.

Sign up for the Drop 10 Diet and you could lose 5, 10, 20 pounds or more!