Bündchen and 2-year-old son Benjamin root for Tom Brady in Massachusetts. Plus: Reese Witherspoon, Lady Gaga, Misty May-Treanor and more

MAMA'S BOY

After a glam night out to premiere her new film, hands-on mom Jennifer Garner gets back to baby duty Tuesday, toting 5-month-old son Samuel during an errand run in Santa Monica, Calif.