George Clooney and Julianna Margulies (center) on ER

George Clooney (Up In the Air) will reunite with his former ER co-star and on-screen love interest Julianna Margulies (The Good Wife) during the Emmy Awards on Sunday night. Margulies will present Clooney with the Bob Hope Humanitarian Award to honor him for organizing the Hope for Haiti telethon, which raised funds to help the Haitian people after a massive earthquake devastated the country in January.