O’Keefe Reinhard & Paul Chicago (OKRP), the rapidly-expanding, no-longer-so-boutique-y ad shop, is adding nine — count ‘em nine — new creatives in one fell swoop. The new hires include two creative directors, Carolyn Bergen and Michelle Litos, who will work together on the Big Lots (NYSE: BIG) account. Bergen’s resume includes stints at Leo Burnett and McGarryBown, while Litos has worked at Cramer-Krassalt, Publicis and Sapient Nitro. Creative partners for five years, Danae Belanger…