She might be known worldwide as the Material Girl, but there's more than a little of the small-town Michigan girl left in Madonna. Madonna poses for photographers at the screening of her documentary film "I Am Because We Are" at the Traverse City Film Festival, Saturday, Aug. 2, 2008 in Traverse City, Mich. The pop superstar arrived in this resort town Saturday to introduce her documentary, "I Am Because We Are," one of the highlights of the Traverse City Film Festival. The event was co-founded by filmmaker, author and fellow Michigan native Michael Moore. Madonna poses with filmmaker Michael Moore at the screening of her documentary film "I Am Because We Are" at the Traverse City Film Festival, Saturday, Aug. 2, 2008, in Traverse City, Mich.. Moore is a co-founder of the festival, held each summer in Northern Michigan. Madonna, left, introduces her daughter Lourdes Leon, 11, center, to filmmaker Michael Moore, right, at the screening of her documentary film "I Am Because We Are" at the Traverse City Film Festival, Saturday, Aug. 2, 2008, in Traverse City, Mich.. Moore is a co-founder of the festival, held each summer in Northern Michigan. In this May 22, 2008 photo, singer Madonna arrives for the 2008 amfAR Cinema Against AIDS benefit in Mougins, southern France. Madonna will introduce her documentary "I Am Because We Are" before its screening Saturday night at the Traverse City Film Festival in Traverse City, Mich., founded by her pal Michael Moore. The movie deals with the orphans of Malawi, the African nation where she and husband Guy Ritchie adopted a son.