Mel B says sex helps her to stay in tip-top shape.

The 'America's Got Talent' judge has been married to Stephen Belafonte since 2007 and she credits him for helping her to keep her figure looking fit and healthy.

The 38-year-old former Spice Girl told 'Access Hollywood Live' on Tuesday (09.07.13): ''If I'm honest, it's lots of working out, which is a commitment and boring... and then sexercise.''

The British beauty also gets plenty of attention from her fellow judge Howard Stern.

She joked: ''He's constantly hitting on me and I just don't get it. We all actually get along and we do actually like each other.''

Mel, who has three daughters Phoenix Chi, 13, Angel, five, and 21-month-old Madison, also revealed that she finds being a mother a challenge and would never let her children become famous until they finish school.

She said: ''It's a balancing act every single week. You just make it work.

''I say to all my kids, 'Get your education first and if you're good enough, I'll tell you and then you can go into the entertainment world.'''