Gemma Collins wows in a white lace dress as she leads the stars at Malibu event

'Jane Fonda's got nothing on the GC!'  Gemma Collins works up a sweat during outdoor workout

Gemma Collins shares unexpected TV ambition and slams 'snobs' for doubting her: 'I'm a megastar'

Scott Disick is casual in all black as he steps out in Malibu with his assistant and security detail