Ryan Serhant’s Serhant and Mauricio Umansky’s The Agency lead Manhattan residential brokerages in Instagram followers.

Find out how Paul "PK" Kemsley feels today amid the many changes in his life, including his divorce from Dorit Kemsley.

The remaining chefs have just two and a half hours to whip up a winning dish, but there's a catch. No fancy gadgets, no modern kitchens... just open flame.