Her little man. In the absence of her father, actor Eric Roberts, Emma Roberts’ 5-year-old son, Rhodes, walked her down the aisle as she prepared to exchange vows with Cody John last weekend. Per photos from the nuptials, Rhodes — whom Emma shares with with ex Garrett Hedlund — took on the important duty, wearing a white tux for the occasion. Emma, meanwhile, wore a custom Monique Lhuillier gown in off-white, featuring a matching veil and asymmetrical shawl. Though Emma’s aunt, “Pretty Woman” star Julia Roberts, was there for the Idaho nuptials, the “Dark Knight” actor was not. Eric initially issued a terse statement on his absence,…