Need more proof that 40 is the new 30 (at least!)? Check out newlywed Kate Walsh, who hit the big 4-0 last month, rocking a nearly nude bikini in Hawaii this weekend. Kate and her new hubby, Alex Young, strolled the beaches of Maui, hand-in-hand, the day after Thanksgiving. What? Your stomach didn't look like that after eating four helpings of sweet potato pie with marshmallows?