Hugh Hefner is the luckiest man on Earth.  His life is legendary and even at 83 he doesn’t seem to be slowing down.  The founder of Playboy (which is having Marge Simpson on the November cover) has a whole new group of gorgeous ladies — INCLUDING TWINS! — living with him.

PHOTOS:  Meet Hefner’s New Girls

We’ll all get a look inside their glamorous lives as the new season of The Girls Next Door premiers on Sunday night.   

EXCLUSIVE VIDEO: The Twins Describe Their Steamy Playboy Centerfold Shoot

Hef’s number one girlfriend, replacing Holly Madison, is a 23-year-old aspiring pop singer Crystal Harris.  

PHOTOS: Hef’s Gorgeous Ladies Through The Years

And to double his pleasure, 20-year-old twins Kristina and Karissa Shannon have joined him in the mansion, and already graced the pages of Playboy in July and August.  

PHOTOS: Kendra In Her Bikini On Her Honeymoon

Tune in to The Girls Next Door Sunday at 10:30 pm on E!