Stars and Their Pets: Jenna Dewan-Tatum's Sunny StrollDewan-Tatum bumps it up with dog Meeka in London. Plus: Britney Spears's pup plays cheerleader and more


Look at him go! The Mad Men star's main man, 19-month-old son Xander, takes the reins on dog Max's leash during a Sunday walk through Los Feliz, Calif.