The ex-fiancés make nice over lunch in Beverly Hills. Plus: Charlize Theron, Eva Mendes, Jennifer Lopez and more

ON-SET ROMANCE

Tom Cruise and fiancée Katie Holmes stroll hand-in-hand Sunday on the Los Angeles set of his Mission: Impossible 3. The pair have been engaged since mid-June, and his rep says Holmes has been a near-constant presence on the M:I 3 set.