Cameron Diaz pushed her own luggage through LAX yesterday. She was fresh off a plane from Europe, where she spent an evening earlier this week as the new face of Tag Heuer. Cameron Diaz attended the Baselworld fair for watches and jewelry in Switzerland as the new celebrity face of the brand's Link Lady timepiece — check out Cameron's Tag Heuer ad. She made the quick trip following a fun few weeks in LA, where she attended the Oscars and presented alongside her What to Expect When You're Expecting costar Jennifer Lopez. Cameron was also able to catch up with pals Kate Hudson and Gwyneth Paltrow at the Vanity Fair afterparty.