Stephen Amell & Armie Hammer: Kentucky Derby 2013!

Armie Hammer and his wife Elizabeth Chambers hit the red carpet at Moet & Chandon’s 2013 Kentucky Derby event on Saturday (May 4) at Churchill Downs in Louisville, Kent.

The couple was joined for the annual horse race by Stephen Amell, Krysten Ritter, Josh Henderson, Lance Bass and Michael Turchin, Martina McBride, Jane Seymour, Lauren Conrad, and Coco Rocha.

PHOTOS: Check out the latest pics of Krysten Ritter

“I bet on orb!! He won!!! Go orb!! Derby!!” Krysten tweeted while attending Grey Goose’s party. “I won the derby! Orb!!!!! @princesskyle @greygoose”

FYI: Lauren is wearing a Paper Crown dress and LC Lauren Conrad for Kohl’s shoes. Krysten is wearing a Dolce&Gabbana dress, Bionda Castana shoes and carrying a Rebecca Minkoff clutch.

20+ pictures inside of Krysten Ritter and others at the 2013 Kentucky Derby…