Arie Luyendyk Jr. & Lauren Burnham Hit Vegas For Their Bachelor & Bachelorette Party

Arie Luyendyk Jr. and Lauren Burnham are ready to live it up before walking down the aisle – and becoming parents! The reality couple celebrated their upcoming nuptials with a coed bachelor and bachelorette bash in Sin City, and showed off their luxury digs on Instagram. Watch pregnant Lauren jokingly wish she could partake in some of the festive party favors!