Heidi Montag is an Intellectual

Heidi Montag and fiance Spencer Pratt, aka America’s favorite couple, catch a flight out of LAX airport on Thursday in Los Angeles.

Heidi worked her brain power and wrapped her head around Chinese military treatise Art of War by philosopher Sun Tzu. The Hills star read up on warfare, military strategies and tactics. Thius hould help her feud with exx BFF Lauren Conrad!

Being the consummate gentleman, Spencer carried Heidi‘s bags.

Earlier in the week, the couple stopped off for ice cream cones. Heidi looked to be wearing her engagement ring out in public!

WHAT DO YOU THINK of the rock on Heidi‘s ring finger?

25+ pictures inside of Heidi‘s engagement ring and intellectual reading…