Question: What is the MPAA rating and title of the movie starred by Leonardo DiCaprio with highest budget?
SQL: SELECT T1.`MPAA Rating`, T1.Title FROM movie AS T1 INNER JOIN characters AS T2 ON T1.MovieID = T2.MovieID INNER JOIN actor AS T3 ON T3.ActorID = T2.ActorID WHERE T3.Name = 'Leonardo DiCaprio' ORDER BY T1.Budget DESC LIMIT 1