Personalized Cowboy Groom's Posse Toddler Dress. Cowboy groom's posse! A country western themed wedding has groomsmen who are cowboys, and together they make a posse for the newlywed groom! For when a cowboy and cowgirl get hitched. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!