Jennifer Garner  had Seraphina snuggled close to her chest last week for a stroll around Boston with Violet. Ben joined his girls for a trip to Whole Foods on Saturday, when Jen showed off some knee bruises that might have been the result of her new-mom exercise routine . They're in Ben's hometown while he films The Company Men . Meanwhile Jennifer's been promoting Ghosts of Girlfriends Past  with Matthew McConaughey , who recently opened up about his new family life . Jen chatted a bit about her own kids, saying , "I just want them to be happy. I don't care what they do. I really don't!" Judging by Violet's constant smiles , she's already a success.
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